Field Notebook: Maryland, Washington, DC, West Virginia. 1908, 1913
Page 23
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
character. There is more or less of very fine intra- formational engromente but the pieces are mere loye. All of which goes to indicate that the ores were sediment and the bottom under the influence of wave action. Certain of the Bellmantown limestones develops due to local struts that eventually lead out redish. The deneen limestone often developes septaria dikes yolker white then may be as well an abundance of tension cracks filled with calcite. The thick milky-white to white marble beds of Bellmantown develops a peculiar radiating type of quartz that is mistaken for vein quartz. This B. quartz how- ever is entirely due to weathering and only occurs on the outside of the bed and in the red residual clay.