Margaret (Earl)

Hydrothermal mineral deposit in Washington, United States containing copper, gold

Geologic information

Country United States
State or province Washington
Geographic location: -122.081, 46.356
(click for info)
Type details Porphyry copper deposit
Deposit model Porphyry Cu (17)
Geologic map unit -122.081, 46.356
Nearby scientific data Find additional scientific data near this location

Reference information

Citations Singer and others (2002); Long and others (1998)
Singer, D.A., Berger, V.I., and Moring, B.C., 2002, Porphyry copper deposits of the world: database, maps, and preliminary analysis: U.S. Geological Survey Open-File Report 02-268, available online at
Long, K.C., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Database of significant deposits of gold, silver, copper, lead, and zinc in the United States: U.S. Geological Survey Open-File Report 98-206, Part A: Database description and analysis, 60 p. and Part B: Excel spreadsheet and references.