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| | 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 | 👁 Image
| | Report (article/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
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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 | 👁 Image
| 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 | 👁 Image
| | Book | | while in other parts were shaped by old abandoned quarries colonized by pioneer plants. These very scenic...habit, Antronapiana for epidote, Ossola valley for zircon and beryls, Brosso mine for magnetite, barite,...needles. On the way back we stop at the Is Murvonis quarries to collect some fluorite, spatic but showing a...habit), Cuneo province and the Carrara marble quarries, as well as other French locations such as the...images of quartz samples from Italian locations (quarries, mines and outcrops in various geological contexts) | 👁 Image
| | 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 | 👁 Image
| | 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
VI.
Industrial
feldspar, talc and pyrophyllite...Massive.
Bisbee copper.
Kirkland Lake gold.
“Porphyry” coppers.
B. Lode fissure.
C. Disseminated.
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| | Book | | Freund Ibrahim Rateb, ehem. Director General of Quarries and Salines, Geological Survey of Egypt, dessen...Kaiserhaus vorbehaltenen purpurroten Porphyr (Imperial Porphyry) neben einigen unbedeutenderen kleinen Steinbriichen...Roash und der rote dazitische Porphyr (,,Imperial Porphyry“) 14 u. 15.1—15.2). vom Gebel Dokhan (Farbtafel...Kalkstein, dem Calcit-Alabaster und dem ,,Imperial Porphyry“ hat im allgemeinen der Agyptologe kaum Besti...Quarzdiorit des Mons Claudianus und dem roten ,.mperial Porphyry“ vom Gebel Dokhan wurden erst in rémischer Zeit |
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