Sediment Smear Slide/Thin Section
WORKSHEET
	Exped.
	Site
	Hole
	Core
	Type
	Sec
	Top Bottom
	
	307
	U1317
	E
	6
		7
	30

	

Sediment/Rock
Name

	Observer
J. M. Gregg	
	
Smear Slide
	Thin Section
	Coarse Fraction
	Grain Mount
	
	Dominant Lithology
	Minor Lithology
	
	Percent Texture
	
								Sand
	Silt
	Clay
	
X

	

	

	

Percent
	Component
	
	Percent
	Component
	
MINERAL (silt to sand size unless specified)
	
	BIOGENIC

	Accessory Minerals

	Algae

	Carbonate
	
	M
	Bioclasts (silt & sand sized grains of carbonate debris)

	calcite

	Coral
	
M
	Dolomite (diagenetic)

	Diatoms

	inorganic calcite

	Dinoflagellate

	organic calcite

	Ebridians

	Clay

	Fish Remains

	Feldspar (silt & sand sized grains)

	Foraminifers

	Plagioclase (silt & sand sized grains)

	• benthic foraminifers

	Fe-oxide
		
	• planktonic foraminifers
	
tr
	Glauconite

	Nannofossils

	Mica
	
	M
	Coccolith

	biotite
		
	Discoasters

	muscovite
		tr
	Organic Debris

	Opaque Minerals

	plant debris
	
m
	Quartz  

	Pollen

	Volcanic Glass

	Fteropod

	Zeolite
		
	Radiolarians

	clinoptilolite
		
	Silicoflagellates

	phillipsite
		
	Sponge Spicules

	mafic mineral grains (amphibol, pyroxene, etc)
	
	tr
	siliceous sponge spicule

	heavy minerals (tourmaline, zircon, rutile, etc)

	Spores
	
tr
	framboidal pyrite

	
ROCK

	

	Bioclasts

	

	Carbonate Grains

	

	Cement 

	

	Clasts

	

	Micrite

	

	Ooids

	

	Rock Fragments

	

	Shell Debris

	

	Volcanic Ash