- subgraywacke
- \\|səb+\ noun
Etymology: sub- + graywacke: a graywacke characterized by introduced mineral cement and deposition from normal subaqueous currents
Useful english dictionary. 2012.
subgraywacke
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subgraywacke — sub·graywacke … English syllables
Tuscarora Formation — The Silurian Tuscarora Formation (St) is a mapped bedrock unit in Pennsylvania, Maryland, Virginia and West Virginia. It is also sometimes referred to as the Tuscarora Sandstone or the Tuscarora Quartzite.DescriptionThe Tuscarora is a thin to… … Wikipedia
Juniata Formation — The Ordovician Juniata Formation (Oj) is a mapped bedrock unit in Pennsylvania and Maryland. It is a relative slope former occurring between the two prominent ridge forming sandstone units: the Tuscarora Formation and the Bald Eagle Formation in… … Wikipedia
