CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
10 United States (Virginia) 38.52.45 N -- 077.19 W Chantilly Cu; Ag
 
Database name: World Sediment-Hosted Cu Deposits
Compilers: R. V. Kirkham, J. J. Carriere, A. Rafer, and P. Born
Release date: 2015-01-27
   
Deposit name(s): Chantilly
Political location(s): United States; Province or state: Virginia; Nearest community: Chantilly (1.2 mi E)
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; in grey ss containing carbonized plant remains
Commodities: Cu; Ag
Geological ages: Triassic (host rocks)
Tectonic setting: continental rift-graben; divergent (host rocks)
Host rocks: (1) sedimentary; sandstone; Magma series/sedimentary package/metamorphic group: red bed
Individual lithologies:sandstone (grey)
Host rock stratigraphy:Manassas Formation
Qualified comments: (Applies to: miscellaneous comments) in grey ss containing carbonized plant remains; malachite/azurite occur on laminae & joints as thin coatings over 5 ft; zone is 5 feet thick in trench & contains anomalous quantities Cu & Ag
References:
D'Agostino, J. P.; Hanshaw, P. M., 1970
Malachite- and Specularite-bearing Triassic Sandstone Localities near Chantilly, Virginia
in Geological Survey Research 1970, Chapter C, Edited by United States Geological Survey, Professional Paper, United States Geological Survey, 700-C, 249 p, p. C-103 - C-106

Ryberg, P. T., 1988
Comparision of Sedimentary Petrologic Sequences Produced in the Mesozoic Extensional and Convergent Tectonic Settings in North America
in Basement Tectonics 8: Characterization and Comparison of Ancient and Mesozoic Continental Margins, Edited by Bartholomew, M. J.; Hyndman, D. W.; Mogk, D. W.; Mason, R., International Conference on Basement Tectonics, Kluwer Acedemic Publishers Inc, 745 p, p. 527 - 533


Generated 2015-01-27 17:18:48 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada