Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > New York
|Name||Austin Glen Formation|
|Geologic age||Middle Ordovician|
|Original map label||Oag|
|Comments||part of Trenton Group and Metamorphic Equivalents up to 8000 ft. (2400 m). Unit is also listed as part of part of Eugeosynclinal (Allochthonous) Sequence on printed map and uses a different color to map; however, on the digital map both units of Oag are mapped together. I followed the digital map and did not separate the unit into 2 provinces (the unit descriptions are identical).|
|Primary rock type||graywacke|
|Secondary rock type||shale|
|Other rock types|
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstone > Graywacke
NYS Museum, NYS Geological Survey, NYS Museum Technology Center, 1999, 1:250,000 Bedrock geology of NYS, data is distributed in ARC/INFOr EXPORT format (with ".e00" extension) in 5 seperate files based on printed map sheets, http://www.nysm.nysed.gov/gis.html.
D. W. Fisher; Y. W. Isachsen, L. V. Rickard, 1970, Geologic Map of New York State, consisting of 5 sheets: Niagara, Finger Lakes, Hudson-Mohawk, Adirondack, and Lower Hudson, New York State Museum and Science Service, Map and Chart Series No. 15, scale 1:250000.
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