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Redding (Reading), Fairfield Co., Connecticut, USA

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Latitude & Longitude (WGS84): 41° 18' 9'' North , 73° 23' 0'' West
Latitude & Longitude (decimal): 41.30250,-73.38333
Köppen climate type:Cfa : Humid subtropical climate


A town incorporated in 1767, originally spelled "Reading" but changed shortly after to better reflect its pronunciation.

Geologically, most of the town is underlain by Ordovician unnamed leucocratic orthogneiss or by a central belt of Cambro-Ordovician Rowe Schist and Ordovician Ratlum Mountain Schist that was originally Iapetos Ocean bottom sediments. Cameron's Line, a major Taconian orogenic suture, crosses the NW corner of town and separates the above rocks from Laurentian Proterozoic gneisses and Cambrian Stockbridge Marble and associated calc-silicate rocks.

Mineral List

Mineral list contains entries from the region specified including sub-localities

Actinolite

Albite

var: Cleavelandite

var: Oligoclase

Almandine

Annite

'Apatite'

'Apophyllite'

Autunite

Bertrandite

Beryl

var: Aquamarine

var: Goshenite

var: Heliodor

var: Morganite

'Biotite'

Bismuth

Bismutite

Calcite

Cerussite

Chabazite-Ca

Chalcopyrite

Clinozoisite

Columbite-(Fe)

'Columbite-(Fe)-Columbite-(Mn) Series'

'Cymatolite'

Dickinsonite-(KMnNa) (TL)

Diopside

Elbaite

Eosphorite (TL)

Eucryptite (TL)

Fairfieldite (TL)

Fillowite (TL)

Fluorapatite

var: Mn-bearing Fluorapatite

Fluorite

var: Chlorophane

Forsterite

'Garnet'

Goethite

Graphite

Greenockite

Grossular

var: Hessonite

Harmotome

Hematite

'Heulandite'

'Hornblende'

Hureaulite

Hydroxylapatite

Ilmenite

'Limonite'

Lithiophilite (TL)

Magnetite

'Manganese Oxides'

'var: Manganese Dendrites'

Marcasite

Melanterite

Mesolite

Meta-autunite

Metaswitzerite

Metatorbernite

Microcline

Microlite Group

Mitridatite

Montebrasite

Montmorillonite

Muscovite

Natrolite

Natrophilite (TL)

Opal

var: Opal-AN

Phosphuranylite

Purpurite

Pyrite

'Pyroxene Group'

Quartz

var: Rose Quartz

var: Smoky Quartz

Reddingite (TL)

Rhodochrosite

Samarskite-(Y)

'Scapolite'

Schorl

Sillimanite

Sphalerite

Spodumene

var: Kunzite

Staurolite

'Stilbite'

Tantalite-(Mn)

Titanite

Torbernite

'Tourmaline'

Tremolite

Triphylite

Triploidite (TL)

Uraninite

Uranophane

'Verdelite'

Vivianite

Wulfenite

Zircon

var: Cyrtolite


74 valid minerals. 9 (TL) - type locality of 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

Early Ordovician
470 - 485.4 Ma



ID: 2933063
Ratlum Mountain Schist

Age: Early Ordovician (470 - 485.4 Ma)

Stratigraphic Name: Ratlum Mountain Schist

Description: Gray, medium-grained, interlayered schist and granofels, composed of quartz, oligoclase, muscovite (in the schist), biotite, and garnet, also staurolite and kyanite in the schist. Numerous layers and lenses of amphibolite; also some of quartz-spessartine (coticule) and calc-silicate rock.

Comments: Part of Central Lowlands; Iapetus (Oceanic) Terrane - Connecticut Valley Synclinorium; Hartland Belt. Equivalents of Savoy Schist of Massachusetts (Emerson, 1898, 1917) (CT009, CT010) and of Moretown Formation of Vermont and Massachusetts (Bedrock Geologic Map of Massachusetts, Zen and others, 1983) (CT011) (includes Golden Hill and Ratlum Mountain Schists) (Lower? Ordovician).

Lithology: Major:{schist,granofels}, Minor:{amphibolite}, Incidental:{calc silicate rock}

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]

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


Localities in this Region


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

Manchester, James G. (1931): The Minerals of New York City and Its Environs. New York Mineralogical Club Bulletin: 3(1): 89.

Mineral and/or Locality  
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