introduction the garmab copper deposit is located northeast of qaen (south khorasan province) in the1:100,000 scale map of abiz in the eastern tectonic zone of iran. it is hosted by late paleocene-eocene lava flows consisting mainly of andesite, trachy andesite, andesite-basalt and basalt lavas, as well as pyroclastic rocks, including tuffs and ignimbrites. the lut block has undergone intense m...

The McLymont property is located close to the headwaters of McLymont Creek, a tributary of the lskut River; it lies at an elevation of approximately I I70 metres (3800 feet), about 2 kilometres southwest of Newmont Lake (Figure 2-l I-l) The property is currently being explored by Gulf International Minerals Ltd. It contains two styles of mineralization whose relationship to each other is uncert...

The productive mineralization of the Sheikhdzheili-Zengiboba area is associated with metamorphogenic transformations rocks Urusai, Karauzyak, Kuyanchik, Sheikhdzheili suites, metamorphosed under conditions green schist facies. mineralized zones site are confined to narrow faults in tectonic northeast and northwest directions. main form manifestation gold-bearing small steeply dipping veins, len...

Abstract The western North American Great Basin's Carlin-type deposits represent the largest accumulation of gold in Northern Hemisphere. controversy over their origins echoes debate between Neptunists and Plutonists at birth modern geology: were causative processes meteoric or magmatic? Sulfur isotopes have long been considered key to decoding metal cycling Earth's crust, but previous studies ...

The area underlain by the Barkerville Terrane has an important exploration and mining history dating from the discovery of placer gold on Keithley Creek in 1860. Placer gold production peaked in the 1860s, but continues at a modest scale to the present time. Lode gold production came mainly from the Wells mining camp, located near some of the richest placer streams in the district, between 1933...

Abstract –– Tambang Sawah Area, Lebong Regency, Bengkulu Province, is geologically located in the Barisan mountains and Sumatra fault zone. The prospect of area lies physiography central Sumatran ranges composed by igneous rocks Sunda – Banda magmatic arc. This study aimed to understand deposit geology ore characteristics gold at area. Quartz vein mineralization occurred granite rock intruded i...

Gold nanoparticles supported on cerium(IV) oxide powder showed strong absorption at around 550 nm due to localized surface plasmon resonance of Au and exhibited a higher level of activity than other Au-supporting samples in mineralization of organic acids in aqueous suspensions under irradiation of visible light (> ca. 520 nm).