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Western Connecticut State College, Danbury, Fairfield Co., Connecticut, USA

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Latitude & Longitude (WGS84): 41° 23' 42'' North , 73° 29' 40'' West
Latitude & Longitude (decimal): 41.39500,-73.49444
GeoHash:G#: dr7erxdzr
Köppen climate type:Cfa : Humid subtropical climate


Campus construction and an access road (University Boulevard) from Lake Avenue Extension (U. S. Route 6) were completed to the new campus in the late 1980s - early 1990s. The bedrock is mapped as Precambrian (Grenville age) hornblende gneiss and other amphibole-rich metamorphic rocks and calc-silicate granulite. Coordinates are for the center of campus, which may not be where minerals were collected.


Mineral List


15 valid minerals.

Regional Geology

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.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Mesoproterozoic
1000 - 1600 Ma



ID: 2819991
Hornblende gneiss and amphibolite

Age: Mesoproterozoic (1000 - 1600 Ma)

Description: Dark-gray to mottled, fine- to medium-grained, massive to foliated amphibolite and gneiss, composed of hornblende and plagioclase, also commonly biotite and minor quartz; commonly interlayered with banded felsic gneiss. Locally contains calc-silicate rock or diopsidic calcite marble.

Comments: Part of Western Uplands; Proto-North American (Continental) Terrane - Proterozoic Massifs - Grenville

Lithology: Major:{gneiss,amphibolite}, Incidental:{calc silicate rock, marble}

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. [133]

Mesoproterozoic
1000 - 1600 Ma



ID: 3188605
Mesoproterozoic crystalline metamorphic rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Paragneiss; paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Januzzi, Ronald E. (1994): Mineral Data Book, Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut.
Weber, Marcelle H. and Earle C. Sullivan (1995): Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue): 70(6): 396.

 
Mineral and/or Locality  
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