Ouachitite breccia (NJSObb;7)

State	New Jersey
Name	Ouachitite breccia
Geologic age	Early Silurian? and Late Ordovician
Original map label	SObb
Comments	Beemerville Intrusive Suite (Early Silurian? and Late Ordovician) (Drake and Monteverde, 1992) Note that there is a unit SObl (Lamprophyre, ect...) that is described in the digital description and is used on the printed map; but it is NOT used on the digital map. Probably because it is a line feature and the digital geology is only polygons. Unit SObl has NOT been entered here.
Primary rock type	lamprophyre
Secondary rock type	dolostone (dolomite)
Other rock types	syenite; intrusive carbonatite
Lithologic constituents	Major Igneous > Hypabyssal > Lamprophyre (Volcaniclastic, volcanic breccia)Medium-dark-gray, fine-grained ouachitite (olivine-free biotite lamprophyre) containing pebble- to cobble-size xenoliths of Middle Proterozoic rock. Autoliths of lamprophyre. Minor Igneous > Plutonic > Intrusive-carbonatiteAutoliths of carbonatite. Igneous > Plutonic > Syenitic > Syeniteautoliths of potassic syenite Sedimentary > Carbonate > Dolostonecontaining pebble- to cobble-size xenoliths of dolomite of the Kittatinny Supergroup(?).
Map references	Dalton, R. F., Herman, G. C., Monteverde, D. H., Pristas, R. S., Sugarman, P. J., 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 00-1; ARC/INFO (v. 7.1) export file: geology.e00, scale 1:100,000, unit description files: cslegend.pdf and nlegend.pdf, metadata: metast.pdf.
Unit references	Dalton, R. F., Herman, G. C., Monteverde, D. H., Pristas, R. S., Sugarman, P. J., 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 00-1; ARC/INFO (v. 7.1) export file: geology.e00, scale 1:100,000, unit description files: cslegend.pdf and nlegend.pdf, metadata: metast.pdf. Drake, Avery A. Jr.,Volkert, Richard, A., Monteverde, Donald H., Herman, Gregory C., Houghton,Hugh F., Parker, Ronald A., and Dalton, Richard F., 1996, Bedrock Geologic Map of Northern New Jersey: U.S. Geological Survey Miscellanenous Investigations Map I-2540-A, scale 1 to 100,000, 4 cross sections, 2 sheets, size 56x40; 58x41. [http://pubs.er.usgs.gov/publication/i2540A] Drake, A.A., Jr., and Monteverde, D.H., 1992a, Bedrock geologic map of the Branchville quadrangle, Sussex County, New Jersey: U.S. Geological Survey Geologic Quadrangle Map GQ1700, scale 1:24,000. [http://pubs.er.usgs.gov/publication/gq1700]
Geographic coverage	Sussex