IODP SEDIS - Thesaurus -

clay
BT	sediments
	.clastic sediments
	..clay
RT	clay mineralogy
	alluvium
	overbank sediments
	argillaceous texture
	marl
	armored mud balls
	bentonite
	clays
	drilling muds
	claystone
	disposal barriers
	expansive materials
	fireclay
	flint clay
	fuller's earth
	kaolin
	loam
	mud
	mud lumps
	quick clay
	residual clays
	se
SN	As of 1981, includes use as a material in engineering geology; before 1981, also search clays for engineering applications. When of economic value, use clays.

clay (soil)
USE	Clay soils

Clay County Indiana
BT	Indiana
	.Clay County Indiana

clay liners
USE	disposal barriers

clay mineralogy
RT	adsorption
	argillaceous texture
	bentonite
	cation exchange capacity
	ceramic materials
	clathrates
	clay
	clay minerals
	clays
	crystal chemistry
	crystal growth
	crystal structure
	crystallinity
	crystallography
	differential thermal analysis
	electron microscopy
	flo

clay minerals
BT	silicates
	.sheet silicates
	..clay minerals
NT	allophane
	beidellite
	corrensite
	dickite
	halloysite
	hectorite
	illite
	imogolite
	kaolinite
	metahalloysite
	montmorillonite
	nacrite
	nontronite
	palygorskite
	rectorite
	saponite
	sepiolite
	smectite
	stevensite
	tosudite
	vermiculite
RT	clay mineralogy
	argillization
	illitization
	kaolinization
	bauxite
	amorphous materials
	argillaceous texture
	delamination
	bentonite
	K-bentonite
	citrate-bicarbonate-dithionite method
	kaolin
	differential thermal analysis
	hisingerite
	hydromica
	hydromuscovite
	me

clay stone
USE	claystone

clays
RT	bentonite deposits
	clay
	clay mineralogy
	engineering geology
	flint clay
	fuller's earth
	insulation materials
	kaolin
	kaolin deposits
	ornamental materials
	quick clay
	refractory materials
	residual clays
	sensitive clays
	shale
	soft clays
	stiff clays
	vermiculite
SN	As of 1981, use only when of economic value; use clay for material in engineering geology. Before 1981, search clays AND deposits. Commodity. See List C.

Clays Ferry Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Ordovician
	....Clays Ferry Formation
RT	Kentucky
	Indiana
	Ohio
SN	Middle and Upper Ordovician. Added to Thesaurus in 1989.

Clayton Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Paleogene
	....Paleocene
	.....Clayton Formation
RT	Missouri
	Mississippi
	Alabama
	Georgia
	Tennessee
	Midway Group
SN	In Midway Group. S Alabama, SW Georgia, NE Mississippi, SE Missouri, and S Tennessee.