 | | Journal (issue) | | by J. Grandjean Faden quartz from Bierghes, Brabant, Belgium ...................................... 441...restricted, as in many other active stone aggregate quarries. County Road 178 borders the north side of the...photography. 437 Faden Quartz From Bierghes, Brabant, Belgium Harjo Neutkens1 Stijn Claeys2 Tom Costes3...The finest faden quartz specimens ever found in Belgium, rivaling the best from any classic locality worldwide...worldwide, have been collected at a porphyry quarry near the town of Bierghes. Beautiful quartz specimens |  | | Report (chapter) | | Society, London, Special Publications Trentino Porphyry (Italy): Proposed candidate for ‘Global Heritage...University of Glasgow on June 2, 2020 Trentino Porphyry (Italy): Proposed candidate for ‘Global Heritage...CC EP T ED M A N U SC Abstract: Trentino Porphyry is a igneous rock composed of rhyolitic-rhyodacitic...roads throughout Trentino and Südtirol, Trentino Porphyry has progressively become one of the most important...“Global Heritage Stone Resource”. A Trentino Porphyry originates from a region of north eastern Italy |  | Makovicky, Emil, Frei, Robert, Karup-Møller, Sven, Bailey, John C. (2016) Imperial Porphyry from Gebel Abu Dokhan, the Red Sea Mountains, Egypt Part I. Mineralogy, petrology and occurrence. Neues Jahrbuch f??r Mineralogie - Abhandlungen: Journal of Mineralogy and Geoche, 193 (1) 1-27 doi:10.1127/njma/2015/0289 | Journal (article/letter/editorial) | | published in print January 2016 Article Imperial Porphyry from Gebel Abu Dokhan, the Red Sea Mountains,...Imperial Porphyry was quarried from Mons Porphyrites in the Red Sea Mountains of Egypt. The porphyry, reserved...apatite – are always altered. The red colour of the porphyry stems from alteration of phenocrysts and groundmass...Imperial Porphyry to their Egyptian source. Elemental and isotope geochemistry of the Imperial Porphyry is...is described in Part II. Key words: Imperial Porphyry, Dokhan volcanics, Red Sea Mountains, plagioclase |  | | Book | | the wadis under low sunlight. Associated to the quarries hereafter referred to as wadiworkings are heaps...the tool marks, which in analogy to the stone quarries of this period display more elongated shapes compared...Eastern Desert visibly on the well-evidenced stone quarries at Mons Claudius, Mons Porphyrites, Wadi Semna...al. 2008). Even along the routes to the stone quarries though, gold extraction was discontinued at several...that among others contain deposits of “imperial porphyry” (Porfido rosso antico). 3 On the Regional |  | | Book | | the eastern desert of Egypt showing mines and quarries (after Murray, 81 fifth 1925) Fire-setting...very large and valuable deposits) are mined in quarries or open pits. The method involves stripping of...processing mineral material from a number of mines or quarries. The processing operations are commonly referred...e, brucite, diaspore, bauxite, spinel, chrome, zircon Industrial VIII. and manufacturing minerals—asbestos...Massive. Bisbee copper. Kirkland Lake gold. “Porphyry” coppers. B. Lode fissure. C. Disseminated. |
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