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Diabase quarry, Tegau, Schleiz, Thuringia, Germany
© jo-esche 2008
A widespread hydrocarbon mineraloid of variable composition. Differs from asphaltum (asphalt) by being brittle, infusible and relatively insoluble. Formed by polymerization of petroleum over geological time periods, therefore being related to petroleum the same way that amber is related to tree resin. May be relatively enriched in N, S, and sometimes rare elements like U, V, Pt, etc.
Classification of Pyrobitumen
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Occurrences of Pyrobitumen
|Geological Setting:||Ancient sedimentary rocks, and remobilized in hydrothermal ore deposits. Also frequent as inclusions in quartz crystals, especially those of the "herkimer-type" from dolomitized rocks.|
Physical Properties of Pyrobitumen
Crystallography of Pyrobitumen
Relationship of Pyrobitumen to other Species
Other Names for Pyrobitumen
|Health Warning:||Some varieties contain uranium and so require the same precautions as any other mildly radioactive materials.|
References for Pyrobitumen
G. Mueller (1964) Rept. 22nd Internat. Geol. Congress, India, pt 1, p 46.
Robertson, J.A. (1976) The Blind River Uranium Deposits: the ores and their setting. (Ontario Division of Mines, Miscellaneous paper 65)
John Parnell (1988) Native platinum in pyrobitumen from Fonda, New York American Mineralogist, 73, 1170-1171.
Wilson, N.S.F. & Zentilli, M. (2006) International Journal of Coal Geology, 65, 158-169
Internet Links for Pyrobitumen
Localities for Pyrobitumen
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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