Trumbull, Fairfield Co., Connecticut, USA
|Latitude & Longitude (WGS84):||41° 14' 34'' North , 73° 12' 4'' West|
|Latitude & Longitude (decimal):||41.24278,-73.20111|
|Köppen climate type:||Cfa : Humid subtropical climate|
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Mindat ArticlesXRF Analysis of Topaz-Bearing Hydrothermal Veins in Trumbull, Connecticut by Jeremy Zolan
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded from this region.
Mineral ListMineral list contains entries from the region specified including sub-localities
88 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
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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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|Middle Ordovician - Early Ordovician|
458.4 - 485.4 Ma
|Carringtons Pond Member [of Trap Falls Formation]|
Age: Ordovician (458.4 - 485.4 Ma)
Stratigraphic Name: Carringtons Pond Member
Description: Interlayered medium- to dark-gray, rusty-weathering, medium-grained schist and light-gray, fine- to medium-grained gneiss, composed of quartz, sodic plagioclase, biotite, muscovite, and garnet; schist locally contains sillimanite or kyanite; gneiss locally contains K-feldspar; amphibolite layers common.
Comments: Part of Central Lowlands; Iapetus (Oceanic) Terrane - Connecticut Valley Synclinorium; Hartland Belt. Part of Hawley Formation and equivalent formations (includes Trap Falls and Cobble Mountain Formations) (Middle Ordovician).
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.