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Hudson Co., New Jersey, USA

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Location is approximate, based on center of defined region.
 
Latitude & Longitude (WGS84): 40° 43' 51'' North , 74° 4' 33'' West
Latitude & Longitude (decimal): 40.73091,-74.07596


NOTE: The geographic coordinates presented are taken from the Jersey City topo map. The USGS GNIS database presents 5 sets of coordinates for this county.

Mineral List

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

Albite

'Allanite Group'

Allophane

Analcime

Anatase

Andradite

'Apatite'

'Apophyllite'

Aragonite

Artinite

'Asbestos'

'var: Mountain Leather'

Azurite

Baryte

Bornite

Brochantite

Brucite (TL)

var: Nemalite

Calcite

'Chabazite'

Chalcocite

'Chalcodite'

Chalcopyrite

var: Blister Copper

'Chlorite Group'

Chromite

Chrysocolla

Chrysotile

Clinochlore

var: Diabantite

Cobaltite

Copper

Cuprite

Datolite

'Deweylite'

Dolomite

Epidote

Epidote Supergroup

Ferro-actinolite

Fluorapophyllite-(K)

Galena

'Gmelinite'

Goethite

Gypsum

var: Selenite

Gyrolite

'Hayesine'

Hematite

Hemimorphite

'Heulandite'

Hydromagnesite (TL)

Ilmenite

Laumontite

'Lévyne'

'Limonite'

Lizardite

Magnesite

Magnetite

Malachite

Mesolite

Molybdenite

Natrolite

Offretite

Opal

var: Fire Opal

var: Hydrophane

var: Opal-AN

Orthoclase

Pectolite

Petersite-(Y) (TL)

Phlogopite

Prehnite

Pseudomalachite

Pyrite

Pyrolusite

Pyromorphite

'Pyroxene Group'

Pyrrhotite

Quartz

var: Agate

var: Amethyst

var: Chalcedony

var: Milky Quartz

var: Rock Crystal

Rutile

Safflorite

Scolecite

'Serpentine Subgroup'

'var: Marmolite'

Siderite

var: Sphärosiderite

Sphalerite

Stellerite

Stevensite

'Stilbite'

Stilbite-Ca

Stilpnomelane

Strontianite

Talc

Thomsonite-Ca

Titanite

Vermiculite

'Wad'

Zircon


72 valid minerals. 3 (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

Late Jurassic
145 - 163.5 Ma
Lockatong Formation

Age: Jurassic (145 - 163.5 Ma)

Stratigraphic Name: Lockatong Formation

Description: (Kmmel, 1897) - Cyclically-deposited sequences consisting of light- to dark-gray, greenish-gray, and black, dolomitic or analcime-bearing silty argillite, laminated mudstone, silty to calcareous, argillaceous, very-fine-grained pyritic sandstone and siltstone, and minor silty limestone (Trl). Grayish-red, grayish-purple, and dark-brownish-red sequences (Trlr) common in upper half. Two types of cycles are recognized: detrital and chemical. Detrital cycles average 5.2 m (17 ft) thick and consist of basal, argillaceous, very fine grained sandstone to coarse siltstone; medial, dark-gray to black, laminated siltstone, silty mudstone, or silty limestone; and upper, light- to dark-gray, silty to dolomitic or analcime-rich mudstone, argillitic siltstone, or very-fine-grained sandstone. Chemical cycles are similar to detrital cycles, but thinner, averaging 3.2 m (10.5 ft). Cycles in northern Newark basin are thinner and have arkosic sandstone in lower and upper parts. Upper part of formation in northern basin composed mostly of light-gray to light-pinkish-gray or light-brown, coarse- to fine-grained, thick- to massive-bedded arkosic sandstone (Trla). Thermally metamorphosed into hornfels where intruded by diabase (Jd). Interfingers laterally and gradationally with quartz sandstone and conglomerate (Trls) and quartzite conglomerate (Trlcq) near Triassic border fault in southwestern area of map. Maximum thickness of Lockatong Formation about 1,070 m (3,510 ft).

Comments: Newark Supergroup, Brunswick Group (Lyttle and Epstein, 1987). The Lockatong Formation unit description on the map encompasses multiple units (TRl, TRlr, TRla, TRls, and TRlcq). The units were split into separate records and appropriate descriptions for each were used. Names for units are from digital map

Lithology: Major:{argillite}, Minor:{mudstone,siltstone,sandstone}, Incidental:{limestone}

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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