|Name||Austin Glen Formation|
|Geologic age||Middle Ordovician|
Sedimentary > Clastic > Sandstone > Graywacke
Sedimentary > Clastic > Mudstone > Shale
|Comments||part of Lorraine, Trenton, and Black River Groups up to 4500 ft. (1400 m) and part of Eugeosynclinal (Allochthonous) Sequence up to 6000 ft.? (2000 m). Note that unit is used twice on printed map (with same color, but different pattern). Unit description is the same, so added the sequence it is mentioned in to the description.|
Fisher, D.W., Isachsen, Y.W., and Rickard, L.V., 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 1:250,000.
|Counties||Albany - Columbia - Dutchess - Greene - Rensselaer - Saratoga - Ulster - Washington|