Lacamas Creek, Orchards, Clark Co., Washington, USA

Photo: BT

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Quarry is in a clinopyroxene basaltic andesite at the headwaters of the North Fork of Lacamas Creek. K-Ar dating give a range from 37 million to 28 million years.

Mineral List

Apophyllite-(KF)
Calcite
'Chabazite'

Copper
Datolite
'Heulandite'

Laumontite
'Lévyne'
Scolecite

'Stilbite'
Thomsonite-Ca

11 entries listed. 7 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Washington, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 7th Jul 2011 07:45:52