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Brewster, Town of Southeast, Putnam Co., New York, USA

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Latitude & Longitude (WGS84): 41° 23' North , 73° 37' West
Latitude & Longitude (decimal): 41.38333,-73.61667
Köppen climate type:Cfa : Humid subtropical climate


No description has been added for this locality. Can you add one?

Mineral List

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

Actinolite

Albite

var: Oligoclase

Allanite-(Ce)

Almandine

Amphibole Supergroup

var: Byssolite

Anhydrite

Antigorite

'Apatite'

'Apophyllite'

Aragonite

Arsenopyrite

Augite

Autunite

Axinite-(Fe)

Baryte

'Biotite'

Bornite

Brochantite

Brucite

var: Nemalite

Calcite

Cerussite

'Chabazite'

Chalcopyrite

Chondrodite

Chrysocolla

'Chrysolite'

Chrysotile

Clinochlore

var: Leuchtenbergite

Clinohumite

Clinozoisite

Danburite

Datolite

Diopside

var: Diallage

Dolomite

Dravite

Enstatite

Epidote

Erythrite

'Fayalite-Forsterite Series'

Ferro-actinolite

Fluorapatite

Fluorite

Galena

Goethite

Graphite

Grossular

Gypsum

Hedenbergite

Hematite

'Heulandite'

Hexahydrite

'Hornblende'

Humite

Hydrotalcite

Ilmenite

Ilvaite

Jarosite

Laumontite

'Limonite'

Linarite

Linnaeite

Lizardite

Magnesite

Magnetite

Malachite

Marcasite

Marialite

Melanterite

Microcline

Molybdenite

Muscovite

Natrolite

'Olivine'

Opal

Palygorskite

Pargasite

Pectolite

Periclase

Phlogopite

Posnjakite

Prehnite

Pyrite

'Pyroxene Group'

Pyrrhotite

Quartz

var: Rose Quartz

var: Smoky Quartz

Riebeckite

'Riebeckite Root Name'

'var: Crocidolite'

Rutile

Scheelite

'Serpentine Subgroup'

'var: Marmolite'

Siderite

Sphalerite

Spinel

'Stilbite'

Sulphur

Talc

var: Steatite

Thomsonite-Ca

Titanite

'Tourmaline'

Tremolite

Vermiculite

Zircon


87 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

Middle Ordovician - Early Cambrian
458.4 - 541 Ma



ID: 2966490
Manhattan Formation, undivided

Age: Paleozoic (458.4 - 541 Ma)

Stratigraphic Name: Manhattan Formation

Description: Pelitic schists, amphibolite; Units ?Omb, ?Omc, and ?Omd may be Cambrian eugeosynclinal rocks thrust upon Oma; ?Omd - sillimanite-garnet-muscovite-biotite-plagioclase-quartz gneiss; ?Omc - sillimanite-garnet-muscovite-biotite-quartz-plagioclase schistose gneiss, sillimanite nodules, local quartz-rich layers; ?Omb - discontinous unit of amphibolite and ?Omc-type schist.

Comments: part of Trenton Group and Metamorphic Equivalents up to 8000 ft. (2400 m). All units (?Omb - ?Omd) are mapped under Om in digital map. Only unit Oma is separated out, so I separated it out of this description. Unit is also mentioned under Eugeosynclinal (Allochthonous) Sequence; uses same symbol and color. Age change and second unit description from USGS Lexicon website (ref. NY046) and reference NY004: Manhattan Schist member A replaced by Walloomsac Formation (not new) based on work by Jackson and Hall (1982), Hall (in press), and A.A. Drake (1990, pers. commun.). In addition, L.M. Hall (1985?, pers. commun.) determined that member B of the Manhattan Schist is part of member C and thus recommended the abandonment of member B (Baskerville, 1992) .

Lithology: Major:{pelitic schist,gneiss,amphibolite}

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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