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Demaiffe, D., Wiszniewska, J., Krzemińska, E., Williams, I. S., Stein, H., Brassinnes, S., ... & Deloule, E. (2013). A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology. The Journal of Geology, 121(1), 91-104.

Reference Search (possible matching items)

	*Witkind, Irving Jerome (1964) Geology of the Abajo Mountains area, San Juan County, Utah. Professional Paper* 453. US Geological Survey doi:10.3133/pp453**	Report (issue)
	Geology of the Abajo Mountains Area San Juan County, Utah GEOLOGICAL SURVEY PROFESSIONAL Prepared... Geology of the Abajo Mountains Area San Juan County, Utah By IRVING J. WITKIND GEOLOGICAL SURVEY...1917Geology of the Abajo Mountains area, San Juan County, Utah. Washington, U.S. Govt. Print. Off., 1964...107-108. 1. Geology Utah San Juan Co. San Juan County, Utah. (Series) I. Title: Abajo Mountains area... GEOLOGY OF THE ABAJO MOUNTAINS AREA, SAN JUAN COUNTY, UTAH By IEVING J. WITKIND ABSTRACT The Abajo

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Sphalerite from Elk Complex, Ełk County, Warmian-Masurian Voivodeship, Poland

Sphalerite from
Elk Complex, Ełk County, Warmian-Masurian Voivodeship, Poland