Glenerie Formation (NYDgl;2)

State	New York
Name	Glenerie Formation
Geologic age	Lower Devonian
Original map label	Dgl
Comments	part of Onondaga Limestone and Ulster Group 100-500 ft. (30-150 m) Secondary unit description from USGS Geologic Names lexicon (ref. NY046): Composition of the Glenerie limestone ranges from limestone to solid chert beds, soft shale, and conglomerate. Beds are very blue to nearly black in fresh exposures; characteristically weather buff brown. Thickness is about 30 ft in type exposure. Overlies the Port Ewen beds in type area, but overlies the Connelly conglomerate farther to south.
Primary rock type	limestone
Secondary rock type	chert
Other rock types	shale; conglomerate
Lithologic constituents	Major Sedimentary > Carbonate > Limestone Minor Sedimentary > Clastic > Mudstone > Shale Sedimentary > Chemical > Chert Incidental Sedimentary > Clastic > Conglomerate
Map references	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. [http://www.nysm.nysed.gov/gis.html.]
Unit references	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.
Geographic coverage	Albany - Greene - Schoharie - Ulster