| | Report (issue) | ____________ Harney Peak granite.__--__--_--____________ Pegmatites _ _____-_-__------__-____,____ Distribution ...sequence____-_--_--________-_____ Relation of pegmatites to the structure of the wall rocks__________________________...Ouster County, South Dakota. Detailed map, plans, and sections, Ann mica mine, Ouster County, South Dakota...map and sections Beecher Lode pegmatite, Ouster County, South Dakota. Geologic map and sections, Beecher...Ouster County, South Dakota. Geologic map of the Bob Ingersoll mine, Keystone, Pennington County, South |
|
Unnamed pegmatites, Durham, Middlesex County, Connecticut, USA