Clark and Marsh Kaolin Mine

ProspectClaySurface-UndergroundUSGS MRDS

Location

StateCalifornia
CountyNapa
Coordinates38.55379, -122.57437

Commodities

PrimaryClay

Mine Details

StatusProspect
TypeSurface-Underground
Data SourceUSGS MRDS
Source ID10189146

What This Means

This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.

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