Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Connecticut
|Geologic age||Ordovician or older|
|Original map label||u|
|Comments||Part of Central Lowlands; Iapetus (Oceanic) Terrane - Connecticut Valley Synclinorium, AND Eastern Uplands; Iapetus (Oceanic) Terrane - Bronson Hill Anticlinorium.|
|Primary rock type||ultramafic intrusive rock|
|Secondary rock type||serpentinite|
|Other rock types|
Igneous > Plutonic > UltramaficUltramafic rock, originally composed of olivine and pyroxene, now generally altered to tremolite, talc, chlorite, or serpentine.
Metamorphic > Metaigneous > SerpentiniteUltramafic rock, originally composed of olivine and pyroxene, now generally altered to tremolite, talc, chlorite, or serpentine.
Connecticut Geological and Natural History Survey, DEP, in cooperation with the U.S. Geological Survey, 2000, Bedrock Geology of Connecticut, data format: shapefile, file name: bedrock, downloaded from: http://magic.lib.uconn.edu/cgi-bin/MAGIC_DBsearch2.pl?Geography=37800&Loc=0000 on 9/18/2003, scale 1:50,000.
Rodgers, John, compiler, 1985, Bedrock Geological Map of Connecticut: Connecticut Geological and Natural History Survey, Hartford, Connecticut, 2 sheets, scale 125,000.
|Geographic coverage||Fairfield - Hartford - Litchfield - Middlesex - New Haven|
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