Overlook Quarry (Atlas Feldspar Company Quarry; Atlas Quarry; Day Quarry), Overlook, Saratoga Co., New York, USA
|Latitude & Longitude (WGS84):||43° 17' 30'' North , 73° 56' 45'' West|
|Latitude & Longitude (decimal):||43.29167,-73.94583|
|Köppen climate type:||Dfb : Warm-summer humid continental climate|
Ref.: Rocks & Min.: 16: 412; Jensen (1978) Minerals of New York State. A feldspar quarry in granite pegmatite. Owned by the Atlas Feldspar Co. Workings were 100 feet long, 30 feet wide and 20 feet deep (1941).
13 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
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1000 - 1600 Ma
|Biotite and/or hornblende granite gneiss|
Age: Mesoproterozoic (1000 - 1600 Ma)
Description: Locally pyroxenic; commonly with subordinate leucogranitic gneiss, biotite-quartz-plagioclase gneiss, other metasedimentary rocks, amphibolite, migmatite. Amphibolite with porphyroblasts of K-feldspar locally prominent in northwest Adirondacks. In northwest Adirondacks, grades into Yphg.
Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052.