BGS mineralogy and petrology collection record

Sample number MR34826
Sample Donor Adams,P.J.
Rock name Rhyodacite. 'Original entry: Rhyolite-Dacite'
Stratigraphy Holocene.
Comments Rhyolite-dacite, 1915,Collected by P J Adams:
Locality details c. 100yds SW of summit of Mt Lassen (10453ft), Shasta County, California,surface exposure,USA
50k map sheet Not entered
Map reference 40:29,121:30
Year collected 1979 
Bore name Not applicable
Confidentiality No restrictions