Results 41 to 50 of about 980,457 (117)

Africa 1:62,500, Gold Coast.

open access: yes, 1923
Various editions. Relief shown by contours and spot heights.; "Compiled, drawn and reproduced by the Gold Coast Survey Dept."--Some sheets.; Includes various issues of sheets. Some sheets 1st ed.
Gold Coast. Survey Department.
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Ovacik gold deposit: An example of quartz-adularia-type gold mineralization in Turkey

open access: yes, 2002
The Ovacik gold deposit is located 100 km north of Izmir in western Turkey. It lies adjacent to the east-northeast-trending Bergama graben, and it consists of a series of high-grade gold-bearing epithermal quartz veins hosted by subaerial andesitic ...
Yilmaz, H
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Nanomaterial accumulation in boiling brines enhances epithermal bonanzas. [PDF]

open access: yesSci Rep, 2023
Cano N   +5 more
europepmc   +1 more source

MINERALOGICAL CHARACTERS OF KARANG PANINGAL EPITHERMAL VEIN DEPOSITS, WEST JAVA

open access: yes, 2017
Karang Paningal gold-ore deposits belong to the epithermal deposits. As hydrothermal deposits, the alter- ation that occurs in this area comprises argillitization, sericitization and silicification.
WAHYUDI, TATANG
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Hydrothermal Alteration of Epithermal Gold Deposit at Dalangturu and Suruh areas, Trenggalek Regency, East Java, Indonesia

open access: yes, 2009
The report of high potential for epithermal gold deposit indicated vein float assaying gold content up to 12 g/t and 10 g/t at Dalangturu, Suruh respectively. Extensive area (2x3 km2)of replacement silicification and hydrothermal breccias associated with
, Ph. Phoumephone
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Fluid inclusion thermometric and stable isotope (δ180-δD) evidence for "cryptic boiling" in the Profitis Ilias epithermal gold deposit, Milos: a potential exploration tool for epithermal gold [PDF]

open access: yes, 2001
"Cryptic boiling" has been disclosed throughout the vertical extent of the Profitis Ilias epithermal system ('450 m) by assessing systematic variations in fluid inclusion and stable isotope (δ180-δD)data in relation to elevation. Highest gold grades (Au:
CHELIOTIS, I.   +3 more
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Environmental mineralogy and geochemistry of the epithermal gold deposit at Furtei, Sardinia

open access: yes, 1999
Exploitation of the gold deposit at Furtei was preceded and has been accompanied by studies of its environmental impact. Similar to other high-sulphidation epithermal deposits, the system has little capacity of fixing the metals released upon oxidation ...
DA PELO, STEFANIA   +2 more
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Nigeria Deposit Insurance Corporation Service Charter [PDF]

open access: yes, 2013
Various reforms had been instituted in the Nigerian banking industry to ensure efficiency and stability in the system. One of such reforms was the establishment of the NDIC, by Decree No 22 of 15th June 1988 to manage and operate a Deposit Insurance ...
NIGERIA Deposit Insurance Corporation (NDIC)
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Repeated reactivation of clogged permeable pathways in epithermal gold deposits : Kestanelik epithermal vein system, NW Turkey [PDF]

open access: yes, 2018
This study presents a detailed study of the dimensions, geometry, textures and breccias of a well-exposed epithermal vein system, the Kestanelik gold deposit in the Biga Peninsula, NW Turkey and investigates the permeability enhancement mechanisms in ...
Shipton, Zoe K.   +6 more
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