 | | 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 |  | 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...tremolite-actinolite, aluminian titanite, phlogopite, muscovite, chlorite and chalcedony. These phases indicate...Imperial Porphyry to their Egyptian source. Elemental and isotope geochemistry of the Imperial Porphyry is |  | | 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 |  | | Journal (volume) | | other fourth. Mr. Iron- 330 feet; face in hard porphyry. prietors, this week and gave good returns. Kentuck...coal mine is now down to a depth in a mixture of porphyry and quartz giving low shaft isisomething over... as the the week, and is out 46 feet; face in porphyry and 300 feet in the hill, both of which are in...presence claim have top is in a mixture of clay and porphyry. lead of great value. Thos. Lane Jr., and Geo...will be the means The face is in a mixture of porphyry and quartz givJones Hill.— Cor. Georgetown Gazette |  | | Book | | rational approach to the design of underground marble quarries 19 ‘INFRA’ — Computer-aided planning of mine...dimensional modeling in planning ornamental stone quarries J.C. Koppe, A.C. Zingano & J.F-C.L.Costa Ie ...production by splitting and cutting methods in Italian quarries R. Mancini, M.Cardu & M. Fornaro Layout and equipment...California, Mexico eo) Exploitation planning in slate quarries by merging the recovery and quality indices 205...Barlow Equipment selection in the Iranian marble quarries (dimension-stone industry): Procedures and problems |
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