"Core, section,"	Depth	Described by	Lithology (dominant/minor) 	Sand	Silt	Clay	Minerals % 	Quartz	Strained	Feldspar	Multiple twins	Single/untwinned	Mica	Biotite	Chlorite	Accessory Minerals	Clinopyroxene	Amphibole	Epidote	Opaques	Rock fragments (%)	Volcanic	Rhyolitic/dacitic	Vitric 	Andesitic/basaltic	Diabase	Matrix (%)	Bioclasts (%) 	Carbonaceous detritus	Rock name	Comments
Thin-section number	interval (cm)	(mbsf) 																														
	180-1112A-																															
122	"3R-1, 2-5"	20.52	TRS	M	A	R	R	30	R	a	A	c	c	R	a		C	c	a			50	A			a		20			Medium- grained sandstone	"Poorly sorted, angular detrital mineral grains, subrounded rock fragments"
123	"6R-1, 10-12"	49.4	TRS	M	R	C	A	20	R		C			C	a	C	R	a			C							79	1	a	Silty claystone	"Claystone matrix, rare disseminated carbonaceous detritus"
125	"9R-CC, 25-27"	78.15	TRS	M	A	R		40			A	a	c	R	a	R	R	a		r		60	A	c	r	a	r				Coarse- grained sandstone	"Poorly sorted,  subrounded rock fragments, angular detrital mineral grains"



Note: A = abundant (51%-100%); C = common (11%-50%); R = rare (1%-10%); lower case letters indicate subcategories of the major constituents.