leg	site	hole	core	coretype	section	top interval	bottom interval	piece	subpiece	unit number	sub unit	observer	rockname	texture	where sampled	grain size	phenocrysts observed	phenocrysts mineral name (1)	phenocrysts present persent (1)	phenocrysts original percent (1)	phenocrysts size (1)	phenocrysts composition (1)	phenocrysts morphology (1)	phenocrysts comments (1)	phenocrysts mineral name (2)	phenocrysts present persent (2)	phenocrysts original percent (2)	phenocrysts size (2)	phenocrysts composition (2)	phenocrysts morphology (2)	phenocrysts comments (2)	phenocrysts mineral name (3)	phenocrysts present persent (3)	phenocrysts original percent (3)	phenocrysts size (3)	phenocrysts composition (3)	phenocrysts morphology (3)	phenocrysts comments (3)	phenocrysts mineral name (4)	phenocrysts present persent (4)	phenocrysts original percent (4)	phenocrysts size (4)	phenocrysts composition (4)	phenocrysts morphology (4)	phenocrysts comments (4)	phenocrysts mineral name (5)	phenocrysts present persent (5)	phenocrysts original percent (5)	phenocrysts size (5)	phenocrysts composition (5)	phenocrysts morphology (5)	phenocrysts comments (5)	groundmass observed	groundmass mineral name (1)	groundmass present percent (1)	groundmass original percent (1)	groundmass size (1)	groundmass composition (1)	groundmass morphology (1)	groundmass comments (1)	groundmass mineral name (2)	groundmass present percent (2)	groundmass original percent (2)	groundmass size (2)	groundmass composition (2)	groundmass morphology (2)	groundmass comments (2)	groundmass mineral name (3)	groundmass present percent (3)	groundmass original percent (3)	groundmass size (3)	groundmass composition (3)	groundmass morphology (3)	groundmass comments (3)	groundmass mineral name (4)	groundmass present percent (4)	groundmass original percent (4)	groundmass size (4)	groundmass composition (4)	groundmass morphology (4)	groundmass comments (4)	groundmass mineral name (5)	groundmass present percent (5)	groundmass original percent (5)	groundmass size (5)	groundmass composition (5)	groundmass morphology (5)	groundmass comments (5)	vesicles oberserved	vesicles type code (1)	vesicles percent (1)	vesicles size (1)	vesicles location (1)	vesicles filling (1)	vesicles shape (1)	vesicles comments (1)	vesicles type code (2)	vesicles percent (2)	vesicles size (2)	vesicles location (2)	vesicles filling (2)	vesicles shape (2)	vesicles comments (2)	vesicles type code (3)	vesicles percent (3)	vesicles size (3)	vesicles location (3)	vesicles filling (3)	vesicles shape (3)	vesicles comments (3)	secondary mineraliztion observed	secondary mineral name (1)	secondary percent (1)	secondary replacement (1)	secondary comment (1)	secondary mineral name (2)	secondary percent (2)	secondary replacement (2)	secondary comment (2)	secondary mineral name (3)	secondary percent (3)	secondary replacement (3)	secondary comment (3)	secondary mineral name (4)	secondary percent (4)	secondary replacement (4)	secondary comment (4)	secondary mineral name (5)	secondary percent (5)	secondary replacement (5)	secondary comment (5)	secondary mineral name (6)	secondary percent (6)	secondary replacement (6)	secondary comment (6)	secondary mineral name (7)	secondary percent (7)	secondary replacement (7)	secondary comment (7)	secondary mineral name (8)	secondary percent (8)	secondary replacement (8)	secondary comment (8)	main comments	more data	latitude	longitude	depth	top interval depth	bottom interval depth
104	642	E	005	Rotary	03	061	063	008		0001		LEH	Sparsely olivine plagioclase phyric basalt		Flow unit 1			Olivine	3-5 	3-5 	.1-.4     		Euhedral	Completely altered to iddingsite.		    	     	          					    	   	          					    	    	          					    	    	          					Opaques	2-3	2-3	<0.1	Fe3O4	Skeletal		Plagioclase/Cpx	85-90	85-90	N/A		N/A	Completely altered to clays and carbonate.																							Vesicles	~5				Round	Sometimes difficult to discriminate from altered groundmass.	        							        								Clays/carbonate	85-90	Plagioclase, clinopyroxene	Groundmass virtually completely altered.																													Altered.	no	67.22000	2.93000	0337.45	33806	
104	642	E	007	Rotary	01	036	038	008		0002		LEH	Sparsley plagioclase phyric basalt	Intersertal	Flow 2			Plagioclase	<1  	<1  	1.5       		Prismatic	Altered to clays.		    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	30	30	0.05-<0.5		Laths	Altered to clays.	Olivine	3	3	0.1-0.2		Euhedral	Altered to iddingsite.	Oxides	N/A	N/A	0.05-0.5		Subhedral																	Vesicles	0	1-2					        							        								Clays	40-45	Plagioclase, vesicle rims	Interstitial, slightly pleoch., relatively high birefringence.	Smectite-illmenite	<1	Inner vesicles	Slightly greenish.	Clay	45-50	Matrix	Brown to opaque, slightly greenish.																					Radial, fibrous (quenched textures?) in matrix.	no	67.22000	2.93000	0354.30	35465	
104	642	E	011	Rotary	02	055	057	002	A	0004		LEH	Sparsely clinopyroxene plagioclase phyric basalt	Intersertal	Flow 4			Plagiocalse	<1  	<1  	0.4       		Prismatic		Clinopyroxene	~1  	~1   	0.4-0.5   		Subhedral	Wavy extinction.		    	   	          					    	    	          					    	    	          					Plagioclase	35-40	35-40	0.3		Laths		Clinopyroxene	20-25	20-25	<0.05		N/A		Olivine	<1	<1	0.05-0.1		Euhedral	Completely iddingsitized.	Opaques	2-3	2-3	0.05-0.07	Fe3O4	Skeletal										vesicles	0						        							        								Clays	20	Interstices	Brownish green																														no	67.22000	2.93000	0384.65	38519	
104	642	E	013	Rotary	01	091	095	013	B	0007		LEH	Moderately plagioclase phyric basalt	Intersertal	Flow 7			Plagioclase	~10 	~10 	0.5-2.0   		Prismatic	Agglomerated, fractured and filled with smectite.		    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	~50	~50	<0.1		Laths		Clinopyroxene	~20	~20	0.05-0.1		N/A	Hourglass extinction.	Olivine(?)	<1	<1	N/A		Euhedral	Altered to iddingsite.	Opaques	~5	~5	<0.05		Subhedral	Some alteration to iron oxyhydroxides.									Vesicles	1-2	0.5-1.0		Smectite	Round to subrounded		        							        								Clays	10-12		Yellowish green in interstices and possibly small percent replacing olivine.	Fe-Ti hydroxides?	~1	In smectite lined vesicles	Also around opaques.																										no	67.22000	2.93000	0394.80	39570	
104	642	E	014	Rotary	01	038	043	007		0007		LEH	Highly plagioclase phyric basalt	Intersertal	Flow 7			Plagioclase	12-15	12-15	0.5-2.0   		Prismatic	Glomerophyric; some cored with previous plagioclase generation and clinopyroxene.		    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	35	35	0.05-0.13		Laths		Clinopyroxene	20	20	<0.1		Subhedral	Very pale colors, partially altered.	Opaques	2-3	2-3	N/A	Fe3O4	Subhedral																	Vesicles	<1						        							        								Clays	20-25	Interstices	Replaces groundmass, cracks in phenocrysts.																													Several radial aggregates of plagioclase laths, at least one with olivine (iddingsite) at center.	no	67.22000	2.93000	0399.80	40017	
104	642	E	014	Rotary	01	128	130	019		0008		LEH	Highly plagioclase phyric basalt	Intersertal, aphanitic	Flow 8			Plagioclase	10-12	10-12	0.5-2.0   		Prismatic, skeletal	Partially altered, zoned, glomerophyric; some with clinopyroxene cores.		    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	25	25	0.1-0.2		Laths		Clinopyroxene	20	20	0.1-0.15		N/A		Olivine	<1	<1	0.1-0.2		Euhedral to subhedral	Completely iddingsitized.	Opaques	3-5	3-5	N/A	Magnetite	Subhedral										Vesicles	N/A	0.2-5.0		Calcite/smectite	Round		        							        								Clays	25-30	Interstices, all minerals	Medium green smectite.																														no	67.22000	2.93000	0399.80	40107	
104	642	E	015	Rotary	02	073	076	009		0010		LEH	Aphyric basalt	Subophitic, aphyric	Flow 10				    	    	          					    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	35	35	0.4-0.5		Lathes	Size measured along length.	Clinopyroxene	35	35	0.1-0.3		Euhedral, subhedral	Two varities: 1) pale green, incipient alteration. 2) Very pale green;2V ~40 degrees.	Olivine	10-12	10-12	0.1-0.3		Euhedral to subhedral	Rims iddingsitized, remainder altered to clays.	Opaques	5	5	N/A		Embayed	Rims coated with altered Fe-Ti OH.									Vesicles	4-5			Rimmed with smectite	Ovoid	Precent of rock estimated separate from rims.	        							        								Clays	15	Interstitial																														Olivine tholeiite. Thin section nearly completely destroyed during polisihing; olivine "crystals" (relict) especially affected.	no	67.22000	2.93000	0406.80	40752	
104	642	E	015	Rotary	04	103	106	007		0011		LUV	Sparsely plagioclase phyric basalt	Subophitic to intergranular	Flow 11			Plagioclase	1-2 	1-2 	1.5       	An60	Short laths, stubby	Euhedral, embayed zoned, multiple zones up to An80.		    	     	          					    	   	          					    	    	          					    	    	          					Olivine	5	5	0.15		Equant, subhedral	Completely altered to iddinsite.	Plagioclase	30	30	0.3		Subhedral, laths		Clinopyroxene	20	20	0.15		Anhedral		Magnetite	2	2	0.1		Subhedral to skeletal										Vesicles	0						        							        								Clays	10	Intergranular	Green-brown radiating fibers.	Clays	30	Intergranular	Amorphous, green-brown.																									30% of the slide is plucked. Probably piece number 7.	no	67.22000	2.93000	0409.59	41061	
104	642	E	015	Rotary	05	009	012	001		0013		LUV	Sparsely plagioclase phyric basalt	Subophitic, intergranular	Flow 13			Plagioclase	1-2 	1-2 	1-1.5     	An54	N/A			    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	45	45	0.2-0.4	An50	Thin laths		Clinopyroxene	30	30	0.15-0.6		N/A		Olivine	10	10	~0.2		Equant	Altered to iddingsite to smectite.	Magnetite	4	4	N/A		N/A	Intergranular to plagioclase.									Vesicles	0						        							        								Clays	10	Intergranular	Fibrous, green-brown.																														no	67.22000	2.93000	0410.99	41107	
104	642	E	015	Rotary	05	105	112	009	B	0012		LUV	Sparsely plagioclase phyric basalt	Subophitic to intergranular	Flow 12			Plagioclase	4   	4   	1.5       	An60	Subhedral	Laths, glomerophyric.		    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	50	50	0.3	An50	Laths		Clinopyroxene	20	20	0.3	Augite	N/A		Olivine	7	7	0.15-0.3		Subhedral, equant	Altered to iddingsite then smectite.	Magnetite	5	5	0.1-0.2		Subhedral	Intergranular, anhedral also.									Vesicles	10	3-6			Subround	Carbonate centers, smectite rims.	        							        								Clays	10	Intergranular	Also altering olivine.																													Carbonate in vesicles radiates from a single point. Probably piece number 9B.	yes	67.22000	2.93000	0410.99	41203	
104	642	E	016	Rotary	01	022	024	003		0015		LUV	Medium grained mixed basalt		Flow 15, mixed flow top			Plagioclase	40  	40  	0.2       	An52	Laths	Intergranular and intersertal.	Clinopyroxene	45  	45   	0.15-0.3  		N/A		Magnetite	6   	6  	0.1-0.2   		N/A		Clay	9   	9   	N/A       		N/A	Replacing clinopyroxene.		    	    	          					Plagioclase	35	35	0.3		N/A	Very thin laths or columns.	Clinopyroxene	5	5	0.1-0.3		Euhedral to subhedral	Better developed than plagioclase.	Magnetite	5	5	0.05-0.1		N/A		Clays?	55	55	N/A		N/A										Vesicles	0						        							        																																								Domains of medium grained separated by fine grained or quenched material. Sharp boundary between fine and medium grained material. Probably piece number 3.	no	67.22000	2.93000	0414.80	41501	
104	642	E	016	Rotary	01	032	034	004		0015		LUV	Medium grained basalt		Flow 15, mixed flow top			Olivine	5   	5   	0.3       		N/A	Iddingsitized.	Plagioclase	35  	35   	0.5-1.0   	An52	Stubby laths		Clinopyroxene	20  	20 	0.3       		N/A		Magnetite	10  	10  	N/A       		N/A		Clay	30  	30  	N/A       		N/A	Intergranular, replacing clinopyroxene.		Plagioclase	45	45	0.1-0.4		Laths to columns		Clinopyroxene	2	2	0.07-0.25		Subhedral		Magnetite	8	8	0.035-0.090		N/A		Clay	45	45	N/A		N/A	Altered groundmass.									Vesicles	15	0.1	Fine grained portion	Dark green clay	Irregular	Intergranular.	        							        																																								Domain of medium grained separated by fine grained material, sharp boundaries between them.	no	67.22000	2.93000	0414.80	41511	
104	642	E	017	Rotary	01	104	106	019		0017		PAR	Red-weathered aphyric basalt	Weak pilotaxitic	Flow 17, weathered top, 1m below top.				    	    	          					    	     	          					    	   	          					    	    	          					    	    	          					Olivine	20	20	0.05-0.2		Euhedral-subhedral	Iddingsitized throughout-red-brown, completely iddingsitized cores of olivine may hold calcite.	Plagioclase	40	40	0.05-0.2	An56	Subhedral, laths		Clinopyroxene	35	35	0.05-0.1		Anhedral	Very weakly zoned, locally weakly pilotax.	Opaques	5	5	0.025-0.1		Interstitial										Vesicles	0						        							        								Clays	~5	Plagioclase	Green smectite: first phase vein fill smectite.	Clays		Vein margins	Green-brown smectite growth, late celadonite.	Carbonate		Veins 0.5-1.5 mm	Sparry, with relict dog tooth and colloform growth rings.	Oxide?		Vein fill	Local earliest pre-smectite vein margin growth.	Fe-oxide		Intergranular	Weathering.													Probably piece number 19.	no	67.22000	2.93000	0424.30	42533	
104	642	E	017	Rotary	02	104	107	015		0017		PAR	Weakly reddened basalt	Weak trachytic	Flow 17, 2.6 m below recovered flow top.			Plagioclase	1-2 	1-2 	.8-.4     	An65	N/A	Zoned (An55 on outer rim).		    	     	          					    	   	          					    	    	          					    	    	          					Olivine	15	15	0.1-0.5		Subhedral	Some euhedral and anhedral. Iddingsite pseudomorphs.	Plagioclase	45	45	0.1-0.4	An53	Subhedral, lath	Weak trachytic/pilotaxitic.	Clinopyroxene	37	37	0.05-0.1		Anhedral		Opaque	3	3	<0.05	Magnetite	Subhedral and interstitial										Vesicles	7	2.5-5.0		Unfilled	Round	Narrow, oxide staining around vesicle.	Cavities	<1	<1.0		Smectite/carbonate/calcite		Cavities and vein fill-carbonate 95%.	        								Clays	7-10	Plagioclase and margins	To olivine/green smectite.	Clays			Yellow/brown smectite vein fill second phase.	Fe-oxode?			Vein margin first phase, localized.	Celadonite			Vein margin third phase, pre-calcite.																	3-5mm xenolith of basalt identified within thin section. Black, dusty margin to finer grained groundmass with moderate to strong pilotaxitic texture.	no	67.22000	2.93000	0425.75	42679	
104	642	E	017	Rotary	03	070	072	006		0017		PAR	Aphyric tholeiitic basalt		Flow 17, 3.7m below recovered flow top.			Plagioclase	<1  	<1  	2-5       	An60	Euhedral tabules	Center margin normally zoned, locally glomerophyric.		    	     	          					    	   	          					    	    	          					    	    	          					Olivine	15	15	0.1-0.3		Subhedral-anhedral	All smectite or iddingsite in alteration zones.	Plagioclase	45	45	0.1-0.3	An58-60	Subhedral-laths	Weak/sporadic pilotaxitic.	Clinopyroxene	33	33	0.05-0.15		Anhedral		Oopaque	7	7	0.05-0.15	Magnetite	Subhedral-interstitial	Some rhombics.									Vesicles	0						        							        								Clays	<3	(?) Cavities and margins	Yellow brown smectite, radiofibrous.	Clays	10	Interstices or plagioclase	Patchy, in alteration fabric.																									Patchy, smectite-rich alteration zones, plagioclase (locally replaced 80% by green smectite), altered olivines are iddingsite-rich, c.f. to smectite-rich outside zones. Plagioclase is relatively fresh. Open fracture cutting section has altered margins.	no	67.22000	2.93000	0427.05	42774	
104	642	E	018	Rotary	02	027	029	011	B	0017		PAR	Streaky aphyric basalt	Locally trachytic	Flow 17, 5.4 m below recovered flow top.				    	    	          					    	     	          					    	   	          					    	    	          					    	    	          					Olivine	12	12	0.1-0.6		Subhedral to euhedral	Iddingsite margins, smectite cores. Cleanest alteration textures in olivines in alteration zones.	Plagioclase	45	45	0.1-0.3		Subhedral, laths	Local moderate pilotaxitic.	Clinopyroxene	35	35	0.05-0.1		Anhedral		Opaques	8	8	<0.15	Magnetite	Subhedral, few rhombics										Vesicles	0						        							        								Clays	N/A	Plagioclase (+ cpx?)	Green smectite to maximum of 65% of discrete alteration zones (streaky laminations(?)). Zones make up 10% of rock, about 1mm wide, discontinuous, approximately parallel or patchy.																													Clearest alteration textures in olivines in alteration zones. Preferred orientation of plagioclase groundmass only locally subparallel to alteration streaking.	no	67.22000	2.93000	0434.12	43438	
104	642	E	018	Rotary	02	027	028	011	B	0017		PAR	Streaky tholeiitic basalt	Subophitic/trachytic	Flow 17, 6.7 m below recovered flow top.				    	    	          					    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	50	50	0.2-0.65	An60	Subhedral laths	Moderate trachytic/pilotaxitic, deflection into alteration fabric.	Olivine	12	12	0.1-0.5		Anhedral to subhedral	Olivines are dirty green smectite replacements outside of alteration streaks, clearly defined within streaks as part iddingsite, part smectite.	Clinopyroxene	33	33	0.05-0.15	(?) Pigeonite	Anhedral, granular	Sub-ophitic with plagioclase.	Opaques	5	5	0.075-0.15	Magnetite	Needles/rhombic, euhedral										Vesicles	0						        							        								Clays	N/A	Interstices and locally plagioclase	In alteration streaks/bands. Within alteration bands rock is up to 45% smectite, 1.0+ mm wide discontinuous, locally diffuse.																														no	67.22000	2.93000	0434.12	43438	
104	642	E	018	Rotary	03	072	075	001	B	0017		PAR	Aphyric tholeiitic basalt	Trachytic/pilotaxitic glomerophyric	Flow 17, 8.5 m below recovered flow top.			Palgioclase	<2  	<2  	0.1       	An65	Subhedral	Locally glomerophyric.		    	     	          					    	   	          					    	    	          					    	    	          					Olivine	12	12	0.1-0.35		Anhedral	Iddingsite within alteration fabric and smectite replaces olivine outside alteration fabric, little iddingsite.	Plagioclase	42	42	0.1-0.4	An60	Subhedral, anhedral, laths	Smectite in alteration zones, moderate pilotaxitic.	Clinopyroxene	37	37	0.025-0.2		Anhedral, granular	Fresh.	Opaques	8	8	0.05-0.1		Anhedral-subhedral	Fresh.									Vesicles	0						        							        								Clays	N/A	Plagioclase	Strongly altered in alteration "streak" zones.																													Poor alteration fabric, patches and single streak.	no	67.22000	2.93000	0435.28	43599	
104	642	E	018	Rotary	04	037	039	002		0017		PAR	Aphyric tholeiitic basalt	Trachytic/pilotaxitic	Flow 17, flow interior				    	    	          					    	     	          					    	   	          					    	    	          					    	    	          					Olivine	12	12	0.1-1.0		Anhedral	Smectite and iddingsite replacement. Iddingsite only within alteration zones.	Plagioclase	42	42	0.1-0.5	An65	Lath, subhedral	Good pilotaxitic text, domainal.	Clinopyroxene	38	38	0.05-0.15		Anhedral, granular		Opaque	8	8	0.05-0.2	Magnetite	Anhedral										Vesicles	0						        							        								Clays	N/A	Interstitial and plagioclase	In alteration zones, green smectite.	Carbonate	<1	Cavity fills																										Alteration zones are well developed, about 1 mm wide, green smectite rich, with good alignment of feldspar laths within zones. Probalbly piece number 2.	no	67.22000	2.93000	0436.72	43709	
104	642	E	019	Rotary	01	042	044	004	C	0018		LEH	Sparsely phyric tholeiitic basalt	Glomerophyric	Flow 18, 0.6 m below recovered flow top.			Plagioclase	2   	2   	1-2       	An65	Tabular and laths	Normally zoned, locally glomerophyric	Clinopyroxene	N/A 	N/A  	<1        	Pigeonite?	Laths			    	   	          					    	    	          					    	    	          					Olivine	12	12	0.1-0.4		Subhedral-anhedral	Iddingsitized, rims mostly smectite psuedomorphs.	Plagioclase	40	40	<0.1-0.5		Subhedral, laths		Clinopyroxene	38	38	0.05-0.15		N/A		Opaques	5	5	<0.1	Magnetite	Interstitial										Vesicles	7	4		Smectite calcite cores	Irregular	Radio-fibrous green smectite fill, yellow smectite rims.	        							        								Clays	3	Interstitial and plagioclase	Smectite patches.																														no	67.22000	2.93000	0442.10	44252	
104	642	E	019	Rotary	02	099	102	003		0018		LEH	Tholeiite basalt	Intersertal to subophitic	Flow 18			Plagioclase	1   	1   	0.5-1.0   		Prismatic	Glomerophyric, zoned.		    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	~40	~40	0.2-0.6		Laths	Width is <0.05 mm.	Clinopyroxene	~40	~40	0.1-0.3	2 Pyroxene?	Subhedral to anhedral	High 2V, > 40 degrees, purplish color, second cpx(?) has a very pale color, lower 2V (~30 degrees).	Olivine	5-7	5-7	0.05-0.5		N/A	Altered to iddingsite and clays.	Opaques	2-3	2-3	<0.15		Euhedral	Some altered around edges (Fe stain).									Vesicles	N/A	<10			Ovoid	Filled with smectite and isotropic mineral.	        							        								Clays	10	Interstices and vesicles																														Maybe two clinopyroxenes: 1) Augite with ~Ti (purplish color). 2) Pigeonite (very pale to colorless; 2V; lower extinction angle).	no	67.22000	2.93000	0443.51	44450	
104	642	E	019	Rotary	04	009	010	001	A	0018		PAR	Sparsely phyric tholeiitic basalt	Subophitic	Flow 18, 5.2 m below recovered flow top.			Plagioclase	>1  	>1  	0.1-1.2   	AN60	Tabular and laths	Fresh, most normally zoned, few oscillatory.		    	     	          					    	   	          					    	    	          					    	    	          					Olivine	10	10	0.1-0.5		Subhedral or anhedral	Iddingsitized and smectite replaced.	Plagioclase	41	41	0.1-0.9	An60	N/A		Clinopyroxene (x2)	39	39	0.05-0.1	Pigeonite + ?	N/A	2V ~0 degrees/+2V ~45 degrees, some subophitic.	Opaques	4	4	0.05-0.2	Magnetite	N/A										Vesicles	0						        							        								Clays	5		Green smectite rich alteration patches.																													Probably piece number 1A.	no	67.22000	2.93000	0446.13	44622	
104	642	E	027	Rotary	03	015	019	014		0029		LEH	Plagioclase-phyric tholeiitic basalt	Hyalocrystalline or trachylitic	Flow 29			Plagioclase	1   	1   	0.5-2.5   		Prismatic	Glomerophyric, fractured, partially altered.		    	     	          					    	   	          					    	    	          					    	    	          					Tachylite	40	40	N/A		Interstitial	Opaque, "isotropic", cryptocrystalline.	Plagioclase	40	40	N/A		N/A		Clino-orthopyroxene	3-5	3-5	0.15-0.35	Pigeonite	Euhedral	Inverted pigeonite, i.e. opx with augite lamellae.																Vesicles	Lots	1-3		Smectite, zeolite	Irregular	Some with center voids.	        							        								Clays	12-15	Fractures in plagioclase phenocrysts	Also altering large plagioclase, interstitial.																														no	67.22000	2.93000	0514.07	51422	
104	642	E	027	Rotary	04	066	068	008	A	0029		DIV	Lehgioclase-phyric basalt	Intersertal	Flow 29			Plagioclase	10-12	10-12	1.0-2.5   		Prismatic	Tend to be fractured and/or embayed.		    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	35	35	0.05-0.2		Laths	Occasional laths up to 0.7 mm.	Clinpyroxene	5	5	N/A	Augite	N/A	Mostly altered, percentage is for partially altered.	Olivine	2-3	2-3	<0.05		Euhedral to subhedral	Replaced by brown smectite (counted as olivine).	Opaques	5	5	0.1-0.2	Fe3O4	Skeletal	Some oxidation, tend to cluster near vesicles.									Vesicles	5	>0.5		Smectite	Round	Not counted in mineral totals.	        							        								Clays	15	Interstitial	Uniform brown.	Clays	30	Pyroxene (and plagioclase?)	Splotchy appearance.																									Plagioclase laths radiate from (altered) olivine. Opaques and (altered) olivine are often concentrated in linear bands and around vesicle rims.	no	67.22000	2.93000	0515.57	51623	
104	642	E	027	Rotary	05	011	015	001		0029		LEH	Plagioclase-clinopyroxene phyric basalt	Intersertal to subophitic	Flow 29			Plagioclase	12  	12  	1-2       		Prismatic	Glomerophyric, subophitic.	Clinopyroxene	2   	2    	0.7-1.0   	Pigeonite, augite	Subhedral	2V <2.5 degrees, + very pale pigeonite to low Ca Augite, slight brown tinge.		    	   	          					    	    	          					    	    	          					Plagioclase	45	45	0.05-0.6		Laths	Size: 0.05-0.6 length, ~0.5 width.	Clinopyroxene	35	35	<0.05		Subhedral to anhedral		Opaques	3-5	3-5	N/A		Euhedral to skeletal																	Vesicles	15	1-20		Smectite and zeolite	Elongate, irregular		        							        								Clays	3-5	Interstices	Medium brown.																													Minerals are quite fresh.	no	67.22000	2.93000	0516.98	51708	
104	642	E	067	Rotary	01	121	123	026		0074		LEH	Altered aphyric basalt	(?) hyalocrystalline to intersertal	Flow 74	Medium			    	    	          					    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	20	20	0.2-2.0		Laths, prisms	Prismatic crystalls tend to be more altered.	Clinopyroxene	15	15	0.05-0.2	Augite	Subhedral to anhedral	Nearly colorless, hourglass extinction.	Olivine	3-5	3-5	0.1-1.0		Euhedral to subhedral	Completely altered to iddingsite.	Opaques	20	20	N/A		N/A	Fe-Ti oxides (altered) plus tachylite(?) in interstices.									Vesicles	15	0.1-3.0		Smectite and zeolite	Rounded to irregular		        							        								Clays	10	Interstices	Light green smectite, well crystallized.	Clays	30	Feldspar, cpx, "groundmass"	Dark green smectite, micro- or cryptocrystalline.																										no	67.22000	2.93000	0844.20	84541	
104	642	E	067	Rotary	02	052	054	012		0074		LEH	Aphyric tholeiitic basalt	Intersertal	Flow 74	Medium			    	    	          					    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	40	40	0.05-1.5		Laths and prismatic		Clinopyroxene	25	25	0.1-0.6	Pigeonite and augite	Subhedral to anhedral	Very pale green, low 2V, positive, hourglass extinction.	Olivine	2	2	~0.1		Euhedral to subhedral	Altered to smectite, some iddingsitization.	Opaques	3	3	N/A		Interstial, skeletal, subhedral										Vesicles	15	0.2-1.5		Smectite	Round		        							        								Clays	30	Interstices	Light greenish brown.																													Magnetite, nice skeletal structures, polishing scratches observable in reflected light under XP, also hematite.	no	67.22000	2.93000	0845.70	84622	
104	642	E	097	Rotary	01	054	056	017		0106		LEH	Throughly altered flow	Quenched	Flow 106			Plagioclase	2   	2   	<0.1      		Prismatic			    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	7	7	N/A		Swallowtail	Quenched. Skeletons of incipient crystals, quenched, altered.																														Vesicles	0						        							        								Clays	90	All	Cryptocrystalline.																													Thin section has been almost completely wiped during processing, possible relict perlitic structures.	no	67.22000	2.93000	1108.90	110944	
104	642	E	098	Rotary	01	106	108	014		0109		LEH	Altered quenched flow	Quenched, altered	Flow 109			Plagioclase	1   	1   	0.1-1.2   		Prismatic	Mildly to severely altered.		    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	10	10	N/A		Swallowtail	Quenched, altered percentage is for distinguishable plagioclase.																														Vesicles	20					Smectite-analcite-mordenite-adularia, in from rims.	        							        								Clays	90	All	Quenched textures preserved.																													Alteration assemblage typical of 100 - 150 degree C fluid.	no	67.22000	2.93000	1115.80	111686	
104	642	E	098	Rotary	02	062	064	013		0109		LEH	Perlite (glassy flow)	Perlitic	Flow 109			Plagioclase	2   	2   	0.2-1.3   		Prismatic	Tends toward glomerophyric.		    	     	          					    	   	          					    	    	          					    	    	          					Glass	98	98	N/A		N/A	Altered to perlite, light purplish brown.																														Vesicles	5			Smectite and zeolite	Round	Also includes fractures.	        							        																																									no	67.22000	2.93000	1117.27	111789	
104	642	E	099	Rotary	03	013	015	001		0112		LEH	Altered quenched flow	Quenched	Flow 112				    	    	          					    	     	          					    	   	          					    	    	          					    	    	          					Plagioclase	15	15	N/A		Swallowtail to skeletal	Quenched.	Clinopyroxene(?)	15	15	N/A		Acicular	Incipient crystal growth.																							Vesicles	0						        							        								Clays	70	All	Light greenish brown and brown smectites(?).	Carbonate	>1	Feldspars	Biaxial, negative, very high birefringence, colorless, rhombic cleavage.																										no	67.22000	2.93000	1128.20	112832	
104	642	E	102	Rotary	02	026	028	007		0115		LEH	Hydrothermally leached glassy flow	Bleached	Flow 115			Plagioclase	3-5 	3-5 	0.1-1.5   		Prismatic	Glomerophyric.		    	     	          					    	   	          					    	    	          					    	    	          					Pyrite	<<1	<<1	N/A		Skeletal	Replaced (reflected light).																														Vesicles	N/A			None	Round		        							        								Clays	95	All minerals	Cryptocrystalline.																													Rock has been leached white.	no	67.22000	2.93000	1155.00	115526	
104	642	E	107	Rotary	02	124	126	011		0006		LEH	Shallow level basalt dike	Hyalocrystalline	Dike 6				    	    	          					    	     	          					    	   	          					    	    	          					    	    	          					Opaques	40	40	N/A		N/A	Tachylite? and pyrite.	Plagioclase	<1	<1	0.05-0.7		Laths		Clinopyroxene	40	40	N/A		N/A		Glass	10	10	N/A		N/A	Dark brown.									Vesicles	0						        							        								Clays(?)	10	Interstices	May be incipient crystallization structures?																													Grain size of plagioclase increases, amount of glass increases, pyrite increases near vein-like structure; no apparent increase in alteration.	no	67.22000	2.93000	1192.79	119403