Graywacke (R1851)
Item
- Title
- Graywacke (R1851)
- Description
-
Near Grafton. Rensselaer County, New York
Upper Devonian
Mega: Gray rock with scattered angular grains of quartz and feldspar in a fine-grained matrix
Micro: Poorly sorted rick with variably sized and angular quartz and feldspar pieces, set in a finer grained matrix of chlorite, sericite, carbonate, silky quartz, leucoxene, magnetute and pyrite - Source
- Lafayette College
- Contributor
- Dustin Morris
