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Androscoggin Co., Maine, USA

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Location is approximate, based on center of defined region.
 
Latitude & Longitude (WGS84): 44° 3' 45'' North , 70° 11' 15'' West
Latitude & Longitude (decimal): 44.06250,-70.18750
Neighbouring regions:


Note: The geographic coordinates presented are taken from the Lewisotn topo map. The USGS GNIS database presents 19 sets of coordinates for this county.


Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

Actinolite

Albite

var: Cleavelandite

var: Oligoclase

var: Zygadite

'Albite-Anorthite Series'

Almandine

Amblygonite

Annite

Anorthite

Antigorite

'Apatite'

Arsenopyrite

Autunite

Berthierine

Bertrandite

Beryl

var: Aquamarine

var: Goshenite

var: Heliodor

var: Morganite

'Biotite'

Brazilianite

Calcite

Cassiterite

'Chamosite-Clinochlore Series'

Chrysoberyl

Clinochlore

Clinozoisite

Columbite-(Fe)

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

Columbite-(Mn)

Cookeite

Correianevesite

Cryptomelane

Darrellhenryite

Diadochite

Dickinsonite-(KMnNa)

Diopside

Elbaite

Eosphorite

Fairfieldite

'Fayalite-Forsterite Series'

'Feldspar Group'

Fluorapatite

var: Manganapatite

Fluor-elbaite

Fluorite

Fluor-schorl

Foitite

Forsterite

Gahnite

'Garnet'

Goethite

Graphite

Grossular

var: Hessonite

'Gummite'

Heterosite

Hureaulite

Hydroxylapatite

var: Carbonate-rich Hydroxylapatite

Hydroxylherderite

'Indicolite'

Kaersutite

Kaolinite

'Labradorite'

Landesite (TL)

'Lepidolite'

'Limonite'

Lithiophilite

Löllingite

Ludlamite

Magnetite

'Manganese Oxides'

'var: Manganese Dendrites'

Meionite

Meta-autunite

Metaschoepite

Metatorbernite

Microcline

var: Amazonite

Microlite Group

Mitridatite

Molybdenite

Montebrasite

Montmorillonite

Muscovite

var: Damourite

var: Schernikite

Nontronite

'Olivine'

Opal

var: Opal-AN

Orthoclase

Oxy-schorl

Phlogopite

Phosphosiderite

Phosphuranylite

Pollucite

Purpurite

Pyrite

Pyrrhotite

Quartz

var: Citrine

var: Milky Quartz

var: Rock Crystal

var: Rose Quartz

var: Smoky Quartz

Reddingite

Rhodochrosite

Rockbridgeite

Rossmanite

'Rubellite'

'Scapolite'

Schoepite

Schorl

Siderite

Sillimanite

Spessartine

Sphalerite

Spinel

Spodumene

var: Kunzite

Stewartite

Strunzite

Tantalite-(Mn)

Titanite

Todorokite

Topaz

Torbernite

'Tourmaline'

'var: Achroite'

'var: Watermelon Tourmaline'

Tremolite

Triplite

Uraninite

var: Pitchblende

Uranophane

'Verdelite'

Vesuvianite

Wardite

Zircon

Zoisite


100 valid minerals. 1 (TL) - type locality of valid minerals. 1 erroneous literature entry.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

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

Wenlock - Llandovery
427.4 - 443.8 Ma



ID: 2856444
Silurian Sangerville Formation, Patch Mountain member

Age: Silurian (427.4 - 443.8 Ma)

Stratigraphic Name: Patch Mountain Member

Description: Silurian Sangerville Formation Patch Mountain member

Comments: In central Maine trough, Sangerville Formation is mapped as principal sandstone and shale facies, and subdivided into (ascending) Patch Mountain Limestone Member (name revised from Patch Mountain Member to emphasize lithology), consisting of thinly interbedded impure marble, coarsely crystallized calc-silicate rocks, granofels, and pelitic schist (high metamorphic grade), or thinly interbedded, gray micritic metalimestone, limy metasandstone, metasiltstone, and slate or pelitic schist (low metamorphic grade); a conglomerate member; euxinic shale lenses; Taylor Pond Member of Hussey (1983), consisting of feldspathic biotite- and hornblende-biotite granofels, thinly bedded calc-silicate rocks, and sparse garnet-rich laminations (coticule); an unnamed limestone member similar to Patch Mountain Limestone Member but at a higher stratigraphic level; and Thorncrag Hill Member of Hussey (1983), consisting of migmatitic pelitic gneiss and some calc-silicate rocks. Anasagunticook Member of Pankiwskyj and others (1976) and Moench and Pankiwskyj (1988) is tentatively reassigned to Waterville Formation, following usage of Osberg (1988). (ME004) Unit description from USGS GEOLEX website (ME078). AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; AC - High rank amphibolite facies; GS - Greenschist facies; E - Epidote-amphibolite facies; Protolith R - Interbedded pelite and limestone and/or dolostone.

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

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


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