Below locations are on lower Ruths Cr. at south end of Black Mesa.
- Breccia layer from a distance, looking north.
- Breccia layer close up of north exposure.
-
Edge view close up.
...Most of the Breccia is protozoic age material
eroded from the basement rock.
This sample rock came from a Tuffaceous Sandstone layer located in
about the center of big sedimentary layer of Column1(See Column page)at
south west end of Black Mesa.
