CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «HYPOGENE»
Descoperă întrebuințarea
hypogene în următoarea selecție bibliografică. Cărți în legătură cu
hypogene și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Engleză.
1
Hypogene Cave Morphologies: Selected papers and abstracts of ...
speleogenesis) are not always consistent with the estabmeaning of the term
hypogene in the Earth Sciences. They are commonly biased either toward
geochemical or toward hydrogeological aspects of the phenomenon. It is
proposed that ...
Alexander Klimchouk, Ira Sasowsky, John Mylroie, 2014
2
Understanding Mineral Deposits
The argillic alteration in porphyry copper systems is either late, supergene, and
pervasive, or is shallow-hypogene and the result of selective attack on feldspars
and sericite; in a few instances, the alteration is restricted to veinlets. Propylitic ...
The main hypogene sulphides are chalcocite and bornite, minor chalcopyrite,
and locally covellite and digenite. Gangue minerals are quartz, hematite, pyrite,
chlorite and calcite. Minor magnetite occurs as dissemination within the
mineralized ...
Teresa Moreno (Ph. D.), Wes Gibbons, 2007
4
Atlas of the Textural Patterns of Ore Minerals and ...
(a) General The terms hypogene and supergene (hypergene) mineralization
have been widely used, the first referring to "primary" mineralization at some
depth, often due to ascending solutions from a source, and the second (
supergene) to ...
Stylianos Augustithis, 1995
5
Mineral Deposits at the Beginning of the 21st Century
Hypogene and supergene chalcocite are identified within the deposit and they
are texturally and paragenetically distinct. Pyrite, chalcopyrite, bornite and
chalcocite (both hypogene and supergene) were analyzed using Laser Ablation (
LA) ...
6
B066: Interpretation of leached outcrops
Cellular Boxworks Hypogene Boxworks. Boxworks formed within sulfide bodies
sometimes are hypogene in origin. In such cases, they consist usually of milky or
glassy quartz, but may be composed of calcite or other mineral. Often such ...
7
The genesis of the ores of Tonopah, Nevada
After the hypogene mineralization the slow removal of the covering of volcanic
rocks by erosion exposed the upper parts of many of the veins to the action of the
air and of waters of surface origin. By the combined attack of these agents upon ...
Edson Sunderland Bastin, Francis Baker Laney, 1918
8
U.S. Geological Survey Professional Paper
and has replaced sphalerite and tetrahedrite. It is in turn replaced to a small
extent by hypogene native gold. Sylvanite is present also in ore from the Gold
King mine (pi. 10 D). Calaverite, (Au,Ag) Te2. — Calaverite is a minor constituent
of ores ...
9
Professional paper - United States Geological Survey
The first was ascensional, or hypogene, and produced the protore ; the second
was descensional, or super- gene, and converted protore to ore. How came
certain kinds of rock in certain parts of each district to be filled with disseminated
...
Geological Survey (U.S.), 1918
10
System of universal geography, founded on the works of ...
4. lias group. 5. New Red Sandstone and Ma^nesian limestone rroup. 6.
Carboniferous and Old Ked Sandstone group. Ftjrmatiom. Some of the Localities
where the ' Formations occur. rAllurial | Aqueous {Z;SaiCT. j Volcanic Hypogene.
f«.
System, James Laurie (geographer), 1842
ȘTIRI NOI CARE INCLUD TERMENUL «HYPOGENE»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
hypogene în contextul următoarelor știri.
Royal Gold Acquires Gold Stream on Teck's Carmen de Andacollo …
... since 1996, Carmen de Andacollo is an open pit mine which currently produces primarily copper in concentrates from the hypogene portion ... «Yahoo Finance UK, Iul 15»
Canadian Platinum Acquires Porphyry Copper Project
... out by the USGS on the property, are consistent with a magmatic, hydrothermal origin and indicate the alteration has a hypogene origin. «MarketWatch, Iun 15»
Chile Takes BHP's Spence Project Off 10-year Development Timeline
BHP has conducted a pre-feasibility study to deliver copper from the hypogene ore body that lies beneath its existing Spence mine by 2020 as ... «Copper Investing News, Mai 15»
Chile strikes BHP Billiton copper project off development timeline
BHP has conducted a pre-feasibility study to deliver copper from the hypogene ore body that lies beneath its existing Spence mine by 2020 as ... «The Australian Financial Review, Mai 15»
Teck: Construction of US$5bn QB2 could start early 2017
The QB2 project involves an open pit and a 135,000t/d copper concentrator to process the hypogene ore below the mined-out supergene ... «Business News Americas, Mai 15»
Panoro Reports Positive Preliminary Economic Assessment for …
The mineral resource estimate includes hypogene and supergene sulphides and oxide copper and gold mineralization from the Ccalla and to a ... «MarketWatch, Apr 15»
Minera Gold identifies high grade prospects in Peru copper mine
The highest grades were found in the transitional mixed zone where supergene and hypogene mineralisation occurs, as well as in the ... «Proactive Investors Australia, Mar 15»
UPDATE - Muratdere's project economics are encouraging, says …
... the supergene enriched copper sulphide material first and then hypogene material, provides considerable flexibility in managing grade control and cash flow. «Proactive Investors UK, Mar 15»
Carube/Miocene Bellas Gate Project in Jamaica Continues to …
A number of Certified Reference Material standards using both oxide and hypogene matrixes as appropriate and coarse and pulp blanks are ... «Stockhouse, Mar 15»
BHP's South 32 spin-off under commodity price plunge pressure
Mr McTaggart said he expected the Spence Hypogene copper project in Chile, which BHP wants in production in 2019-20 to be delayed, along ... «Business Spectator, Feb 15»
