Valley Landfill Pit, Coffin Butte, Benton Co., Oregon, USA

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Located at the northern edge of Benton Co., Coffin Butte is being used as a source of rock to cover a landfill.

Ref:
Micro Probe Vol. 7 No. 2, Fall 1995
Tschernich, R. (1992): Zeolites of the World, 69, 116

Mineral List:

Analcime
Apophyllite-(KF)
Apophyllite-(NaF)
Calcite
'Chabazite'

'Heulandite'
Mesolite
Mordenite
Natrolite
Nontronite

Pyrite
'Stilbite'
Stilbite-Ca

13 entries listed. 10 valid minerals.

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