leg	site	hole	core	section	top interval depth(cm)	top of core depth(cm)	top of section(m)	sample midpoint depth(m)	describer	rock name	piece numbers	texture data	structure data	alteration data	other information data	vesicle data	phenocryst data	groundmass mineral data	replacement mineral data	comments	unknown code
18	172		3	CC	0.0	18.00	27.37	   27.37		BASALT FRAGMENTS	PCE NO PCE NUMBERS ASSIGNED	FINE-GRAINED, 20% OF RECOVERED FRAGMENTS IS GLASS WITH ANGULAR EDGES AND CONCHOIDAL FRACTURE SURFACES			FOR MORE INFORMATION REFER TO "LITHOLOGIC SUMMARY" IN THE SITE 172 CHAPTER OF THE INITIAL REPORTS						
18	172		4	CC	0.0	23.00	23.10	   23.10		BASALT AND ZEOLITE FRAGMENTS25% BASALTIC GLASS FRAGMENTS, 25-50% BASALT, 25-50% ZEOLITE FRAGMENTS	PCE NO PCE NUMBERS ASSIGNED	GLASS FRAGMENTS TO 3-4MM, CONCHOIDAL FRACTURED ANGULAR FRAGMENTS, OCCASIONAL WHITE ZEOLITE CRUST, BASALT IS VERY FINE-GRAINED ANGULAR FRAGMENTS			GLASS IS BLACK, FINE-GRAINED BASALT IS GRAY				PALAG comments :  GLASS COMMONLY WITH ATTACHED PALAG | ZEOLITE comments :  OCCASIONAL ZEOLITE CRUST ON BASALTIC GLASS