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Thesaurus

pot

potash
BT	sedimentary rocks
	.chemically precipitated rocks
	..evaporites
	...potash
RT	alunite
	Searles Lake
SN	See List C for use as a commodity term.

potash alum
USE	alum

potash bentonite
USE	K-bentonite

potash feldspar
USE	K-feldspar

potash mica
USE	muscovite

potassium alum
USE	alum

potassium bentonite
USE	K-bentonite

potassium chloride
RT	chlorides
	halides
	geochemistry
	salt
	sylvite
SN	Use sylvite for the mineral. Added to Thesaurus in 1998.

potassium feldspar
USE	K-feldspar

potassium-argon
USE	K/Ar

potential deposi

potentiometric surface
UF	piezometric surface
RT	water wells
	ground water
	levels
	water table
	drawdown
	hydrogeologic maps
SN	Also search (piezometry OR piezometers) AND ground water. Added to Thesaurus in 1981.

potentiometry
RT	chemical analysis
	dipole-dipole methods
	direct-current methods
	electrical methods
	electrochemical properties
	geophysical methods
SN	Added to Thesaurus in 1985.

Potenza Italy
BT	Europe
	.Southern Europe
	..Italy
	...Basilicata Italy
	....Potenza Italy
SN	City and province in W central Basilicata, S Italy.

Potiguar Basin
BT	South America
	.Brazil
	..Rio Grande do Norte Brazil
	...Potiguar Basin
SN	Basin in Rio Grande do Norte, NE Brazil. Added to Thesaurus in 1989.

Potomac Group
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Potomac Group
RT	Virginia
	Maryland
	Delaware
SN	Consists of Patuxent, Arundel, and Patapsco formations.

Potomac River
BT	United States
	.Potomac River
RT	Virginia
	Maryland
	West Virginia
	District of Columbia
SN	Formed by the confluence of the North and South branches of the Potomac River SE of Cumberland, Maryland. It flows SE into Chesapeake Bay. Indexed with District of Columbia and states as applicable.

Potomac River basin
BT	United States
	.Potomac River basin
RT	Virginia
	Maryland
	West Virginia
	District of Columbia
SN	Indexed with states and District of Columbia as applicable.

Potsdam Bezirk
SN	No longer a valid term for GeoRef. District in central East Germany.

Potsdam Germany
BT	Europe
	.Central Europe
	..Germany
	...Brandenburg Germany
	....Potsdam Germany
SN	City NE Germany. As of 1981, Potsdam refers to only the city. Before 1981, it also included the East German district.

Potsdam Sandstone
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Cambrian
	....Upper Cambrian
	.....Potsdam Sandstone
RT	Ontario
	Quebec
	Vermont
	New York
	Little Falls Formation
SN	Underlies Ticonderoga Formation. Central and E New York, Vermont, E Ontario and S Quebec.

Pottawatomie County Oklahoma
BT	United States
	.Oklahoma
	..Pottawatomie County Oklahoma
SN	Central Oklahoma.

pottery
USE	artifacts

Pottsville Group
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Carboniferous
	....Pennsylvanian
	.....Pottsville Group
RT	Virginia
	Kentucky
	Illinois
	Mississippi
	Ohio
	Pennsylvania
	Alabama
	Maryland
	West Virginia
	Tennessee
	Mary Lee Coal
	Breathitt Formation
	New River Formation
	Pocahontas Formation
	Sharon Conglomerate
SN	Includes Lee Formation, Norton Formation, Gladeville Sandstone, Wise Formation, Harlan Sandstone, Lookout Sandstone, Walden Sandstone, Tumbling Run Formation, Schuylkill Formation, Sharp Mountain Formation. Alabama, S Ohio, S Illinois, S Indiana, Kentucky

Potwar Plateau
BT	Asia
	.Indian Peninsula
	..Potwar Plateau
RT	India
	Jammu and Kashmir
	Punjab Pakistan
SN	Lies between Indus River and Jhelum River in N Punjab Province, Pakistan. May also occur in India. Also search Potwar. Indexed with Punjab Pakistan and/or India as applicable.

Scientific Earth Drilling Information Service - SEDIS