Robertson pit (Robertson quarry), Dayton, Mason Co., Washington, USA
A traprock quarry in Eocene submarine pillow basalt of the Crescent formation. Owned by Simpson Timber Co., Shelton, WA. Located 3.5 miles SW of Dayton.
Ref.:
Rocks & Min.: 63:24-28.
Tschernich, R. (1992): Zeolites of the World, 71
Mineral List:7 entries listed. 5 valid minerals.
Mineral Paragenesis:
| early | late |
Zeolites of the World, Rudy W. Tschernich, 1992 |
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