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Garrett Rock, Passaic Co., New Jersey, USAi
Regional Level Types
Garrett Rock- not defined -
Passaic Co.County
New JerseyState
USACountry

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Latitude & Longitude (WGS84): 40° 53' 28'' North , 74° 10' 50'' West
Latitude & Longitude (decimal): 40.89121,-74.18070
GeoHash:G#: dr70xup28
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Woodland Park12,518 (2017)1.2km
Totowa10,973 (2017)2.9km
Paterson147,754 (2017)2.9km
Little Falls10,688 (2017)3.4km
Clifton86,334 (2017)3.9km


A prominent outcrop of the First Watchung Mountain basalt.

Regions containing this locality

North America PlateTectonic Plate
No minerals currently recorded for this locality.

List of minerals for each chemical element

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 Jurassic
174.1 - 201.3 Ma



ID: 2821781
Orange Mountain Basalt

Age: Early Jurassic (174.1 - 201.3 Ma)

Stratigraphic Name: Orange Mountain Basalt

Description: (Olsen, 1980) - Dark-greenish-gray to greenish-black basalt composed mostly of calcic plagioclase (typically An65) and clinopyroxene (augite and pigeonite); crystals are generally less than 1 mm (0.04 in) long. Consists of three major flows. The flows are separated in places by a weathered zone or by a thin, up to 3-m- (10-ft-) thick bed of red siltstone (not shown on map) or volcaniclastic rock. Lowest flow is generally massive and has widely spaced curvilinear joints; columnar joints in lowest flow become more common toward the northeast. Middle flow is massive or has columnar jointing. Lower part of the uppermost flow has pillow structures; upper part has pahoehoe flow structures. Tops and bottoms of flow layers are vesicular. Maximum thickness is about 182 m (597 ft).

Comments: Newark Supergroup, Brunswick Group (Lyttle and Epstein, 1987). Original map source: Dalton, R.F., Herman, G.C., Monteverde, D.H., Pristas, R.S., Sugarman, P.J., and Volkert, R.A., 1999, New Jersey Department of Environmental Protection, Bedrock Geology and Topographic Base Maps of New Jersey: New Jersey Geological Survey CD Series CD 00

Lithology: Major:{basalt}, Minor:{siltstone}

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]

Triassic
201.3 - 251.902 Ma



ID: 3186144
Mesozoic sedimentary rocks

Age: Triassic (201.3 - 251.902 Ma)

Comments: Newark Graben System; Newark-Gettysburg Basin

Lithology: Shale,conglomerate,quartz-feldspar sandstone,siltstone,limestone

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

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

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