"Leg 207, Site 1257 Thin Section Data"																																												
Sample											Mineral												Biogenic											Rock										
Leg	Site	H	Cor	CT	Sct	Top (cm)	Bot (cm)	Depth  (mbsf)	Thin Section Number	Lithology	Calcite	Inorganic Calcite	Chert	Clay	Feldspar	Glauconite	Accessory minerals	Opaque minerals	Pyrite	Fe-oxide	Quartz	Zeolite	Calcispheres	Bioclast	Fish Remains	Fecal pellets	Foraminifers	Planktonic Foraminifers	Benthic Foraminifers	Nannofossils	Radiolarians	Shell fragments	Calcareous debris	Cement	Clasts	Biosiliceous material	Fecal Pellet	Micrite	Sparite	Cryptocrystalline(?) silica matrix	Organic matter		Lithology Name	Comments
207	1257	A	16	X	4	103	106	136.63	1	D	20																80															100	Foraminifer packstone	Foraminifers are mostly planktonic foraminifers with calcite filling.
207	1257	A	16	X	5	46	49	137.56	2	D	74														1		15					10										100	Foraminiferal wackestone	
207	1257	A	23	X	1	20	23	198.40	3	D	25	15													*		8				17						25				10	100	Radiolarian wackestone	"Foraminifers are heavily recrystallized, filled with blocky calcite. Radiolarians are replaced by calcite, filled with microspar."
207	1257	A	23	X	2	95	98	200.65	4	D				39							*	20			11		*														30	100	Carbonaceous clay with zeolites and fecal pellets	Distinctly laminated. Fish remains include phosphate.
207	1257	A	24	X	1	58	62	208.18	5	D	10			10													30			40											10	100	Foraminifer wackestone	Black shale. Nannofossils are in fecal pellets and in matrix. Calcite is diagenetic. Foraminifers include blocky calcite filling.
207	1257	A	25	X	CC	32	34	219.22	6	M	30		8		8	*					49											5		*								100	Quartz arenite	Inorganic calcite is carbonate cement. Quartz grains are mainly angular to subrounded. Many grains have a coating of opaque minerals.
207	1257	B	1	R	1	92	94	40.92	7	D															*			26			15							59				100	Foraminifer wackestone with radiolarians	Bimodal foraminifer sizes; many are filled with Fe-hydroxide stained micrite.
207	1257	B	1	R	2	93	97	42.43	8	D																	30				20							50				100	Foraminifer wackestone with radiolarians	Thin section is of poor quality. Many foraminifers are filled with Fe-hydroxide stained micrite.
207	1257	B	3	R	4	6	9	54.32	9	D																		30			15							55				100	Foraminifer wackestone with radiolarians	The thin section is too thick. Some foraminifers are filled with Fe-hydroxide stained micrite.
207	1257	B	4	R	3	119	122	63.58	10	D														*			15									5		80				100	Foraminifer wackestone	Bioclasts are shell fragments.
207	1257	B	4	R	4	62	65	64.51	11	D														*			20				5							70				95	Foraminifer wackestone	Foraminifers show a preferred orientation +/- parallel bedding plane.
207	1257	B	6	R	1	19	22	78.89	12	D																	20											40		40		100	Siliceous wackestone with foraminifers	"There are some radiolarians, but difficult to identify. Most foraminifers are filled with some sort of cryptocrystalline silica."
207	1257	B	7	R	1	4	7	88.34	13	D																	25		3		5							37		30		100	Siliceous foraminifer wackestone	"Foraminifers are filled with silica (cryptocrystalline, opal)."
207	1257	B	8	R	4	29	32	102.66	14	D								1				5			*		50				2							42				100	Foraminifer wackestone to packstone	Foraminifers are mainly filled with cryptocrystalline silica and micrite. Many are empty. Common zeolite growth in chambers. Fragments of pyrite replaced radiolarians.
207	1257	B	13	R	3	39	43	149.19	15	D											*						30		*			*						60		10			Foraminifer wackestone (some areas packstone)	Bivalve shell fragments. 
207	1257	B	17	R	1	32	34	174.72	16	D	40			15														12										15	16		2	100	Foraminifer wackestone	This is in contact with well crystallized limestone (showing relics of planktonic foraminifers). Micrite is in fecal pellets. Calcite neomorphic. Microsparite matrix.
207	1257	B	18	R	1	21	24	179.61	17	D				33				2				3			3			25				1						15			18	100	Foraminifer claystone with micrite and organic matter	"Typical ""black shale"". One large calcareous shell fragment is present."
207	1257	B	19	R	1	105	108	184.75	18					31				15				2			2				15									30			5	100	Clayey chalk with opaque minerals and foraminifers	Organic-rich but no lamination. Color due to minute brown pigments. Clay and micrite background matrix. Fish remains include phosphate nodules. Brown spherical organic matter.
207	1257	B	19	R	2	31	34	185.51	19	D				30		1		3			6	5			2			20				*						28			5	100	Clayey foraminifer wackestone	Bioturbated areas are cleaner in this thin section. Quartz is cryptocrystalline. Zeolites are in foraminifer chambers.
207	1257	B	20	R	1	11	14	188.81						8		22		18							17			25											10			100	Foraminifer glauconite phosphorite sandstone with opaque minerals	Matrix clay includes organic matter. Fish remains include phosphate. Foraminifers are filled with blocky calcite.
207	1257	B	21	R	1	90	93	194.20	21	M				5				2									3												90			100	Laminated mudstone (recrystallized)	Distinct flaser fabric. 5% sparite (blocky calcite) and 85% microsparite.
207	1257	B	21	R	2	33	36	195.13	22	D				25				3							1			20										20	20		11	100	Foraminifer wackestone with organic matter and clay	"Wavy flaser. Micrite is in fecal pellets. 10% diagenetic microsparite, 10% is background micrite."
207	1257	B	24	R	2	76	80	210.26	23	D				26				15				2			1	18		20										10			8	100	(Laminated) foraminifer wackestone (with clay)	"Fecal pellets in micrite, no clay. Micrite in background matrix. Organic matter is brown colored pigments."
207	1257	B	25	R	2	32	35	214.42	24	M								4							1		15					*						80				100	Foraminifer wackestone	"Darker part of thin section. Only foraminifer casts left consisting of sparite. Shell fragments are with neomorphic spar. 35% slightly recrystallized, clean micrite. 45% is dirty, clayey micrite. (100% for this part only)"
207	1257	B	25	R	2	32	35	214.42	24	M								3					60				*											37				100	Calcisphere packstone (recrystallized)	"Lighter part of thin section. Recrystallized micrite, includes some patches. (100% for this part only)"
207	1257	B	25	R	2	87	90	214.97	25	D				30											4			15				3						37	3		8	100	Foraminifer wackestone	"One cm of prominent layer with fish debris and phosphorite. 20% micritic fecal pellets, 17% background matrix micrite. Sparite cement."
207	1257	B	26	R	2	36	40	219.46	26	D				25		*	*	7			6						1						5					56				100	Calcareous wackestone	Thin Section is poor quality (soft sediment). Few well preserved glauconite grains. Microsparitic micrite. One polyquartz grain.
207	1257	B	26	R	2	56	60	219.66	27	M					*	*			5	*	57								*			1		28	5			3		1		100	"Quartz Arenite (""dirty"" )"	No grain contacts are observed. Cement must have replaced the original micrite.  Rock fragments include mudstones and calcite. Fe-oxide as coating. 
207	1257	C	12	R	2	96	100	190.16	28	M				15		15		5							7			50											8		*	100	Foraminifer sand with glauconite and clay