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Beemerville main nepheline-syenite mass, Libertyville, Wantage Township, Sussex Co., New Jersey, USA
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Latitude: 41°13'56"N
Longitude: 74°41'45"W
 
 
A nepheline-syenite mass comprised of dikes and sills plus a laccolith (?) in Martinsburg Shale. Located about 2 miles NNW of Beemersville on the SE flank of Kittatinny Mountain. This is a significant igneous body which has yet to be exploited for any purpose except specimen collecting on the outcrop.

Mineral List

Aegirine
Aegirine-augite
Albite
Analcime
Andradite
var: Melanite

'Apatite'
'Biotite'
Calcite
Cancrinite
Diopside
Fluorite
Haüyne
Hedenbergite
Hematite
Leucite
Magnetite
'Mica Group'
Nepheline
Orthoclase
Pyrite
Sodalite
Sodalite
var: Hackmanite

Titanite
Zeolite Group ?
Zircon


25 entries listed. 20 valid minerals.

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References

New Jersey State Geologist Annual Report (1896): 92-94.

Rutgers University, the State University of New Jersey, Bulletin No. 5, Part 1: 53-54.

Manchester, J. G. (1931), The Minerals of New York City & Its Environs, New York Mineral Club Bulletin: 3(1): 65.

Wilkerson, A.S. (1946), Nepheline Syenite from Beemerville, Sussex County, New Jersey. American Mineralogist: 31: 284-287.

Eby, G. N. (2004), Petrology, geochronology, mineralogy, and geochemistry of the Beemerville alkaline complex, northern New Jersey. In Puffer, J. H. and Volkert, R. A. (eds.) Neoproterozoic, Paleozoic, and Mesozoic Intrusive Rocks of Northern New Jersey and Southeastern New York. Twenty-First Annual Meeting Geological Association of New Jersey, Mahwah, NJ, pp. 52-68.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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