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	A	1	CC	0.0	22.00	22.10	   22.10		ASH AND BASALT FRAGMENTS	PCE NO PCE NUMBERS ASSIGNED	ABOUT 20% OF FRAGMENTS ARE COMPOSED OF BLACK GLASS WITH ANGULAR EDGES AND CONCHOIDAL FRACTURE SURFACES			FOR MORE INFORMATION REFER TO "LITHOLOGY SUMMARY" IN THE SITE 172 CHAPTER OF THE INITIAL REPORTS