 | | Journal (issue) | | by J. Grandjean Faden quartz from Bierghes, Brabant, Belgium ...................................... 441...commercial, carbonate-hosted fluorite, sphalerite and galena deposits of the midcontinent Mississippi Valley-Type...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 |  | 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 | | mineralisations (mainly chalcopyrite and chalcocite next to galena, sphalerite and pyrite), which due to surface alteration...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 |  | | Book | | Faculty Board of Classics. Imperial Mines and Quarries in the Roman World Organizational Aspects 27 bc...intentionally left blank Preface Roman mines and quarries have emerged in recent years as a topic of study...Constraints and Organizational Implications 2.1 Imperial Quarries 2.2 Imperial Mines 2.3 Summary xi xii 1 10 10...Extractive Operations 5.1 The Roman Army and Imperial Quarries 5.2 The Roman Army and Imperial Mines 5.3 The...1. Principal mines and quarries in the Roman empire 11 2. Imperial quarries in the Eastern Egyptian |  | | Journal (issue) | | Fletcher's (1984) use of isotope ratios to identify galena sources is the only real innovation. The principal...procurement studies. Analyses of workshops and quarries (e.g., Billings 1984; Bronitsky 1984; Jones 1984;...E., and B.A. Purdy (editors) 1984 Prehistoric Quarries and Lithic Production. Cambridge University Press...R.M., and I.R. Fletcher 1984 The Provenience of Galena from Archaic/ Woodland Sites in Northeastern North...Practices at the Samson Bay and Falls Creek Argillite Quarries, Tasman Bay, New Zealand. World Archaeology 16:248-266 |  | | Journal (volume) | | This, for example, is what seems to occur in the galena of Neudorf, in the Harz, which fonns a thick and...calcite. According to Messrs. Scheerer and Blum, this galena is in very brilliant ciystals, which attain the...radiated structure. with towauite, blende, and galena which are enveloped by the fibrous and nidiatcd...and argillaceous limestones, with clay-stones, porphyry-tuffs, and porphyries form the mass of the Upper...be iiubieed to hjok beyond their own dear dusty quarries at the social scenes and antiquarian relics that |  | | 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 | | 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...Massive. Bisbee copper. Kirkland Lake gold. “Porphyry” coppers. B. Lode fissure. C. Disseminated. ...rouge and shadow eye show crushing of hematite, galena, malachite, 6000-5500 B.C. Catal Huyuk pottery |  | | Journal (article/letter/editorial) | | Perielase, Humite. (2) Spinel, Mica, Fluorite, Galena, Pyrites, Wollastonite. (3) Garnet, Idoerase, l~epheline...Account of a" recent Visit to the ancient Porphyry Quarries of Egypt, 801.--H. Hicks. On the Migrations...Glacier, 421.-W. R. McDiarmid. Note on Granite, Porphyry or Felstone, 459.--J. Young. Note on a new family...the Correlation of the Eocene Strata in England, Belgium, and France. 8no. London, 1888. See United Stat~s |
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Porphyry quarries, Quenast, Rebecq, Walloon Brabant, Wallonia, Belgium