· Bavarian Georesources Centre (BGC), Department of Geodynamics and Geomaterials Research, Institute of Geography and Geology, University of Würzburg, …

 · In this paper, we evaluate the salient geological, geochronological, geochemical and isotopic features of the Jiaodong type gold deposits and propose some general …

 · Here, the gold is further concentrated by the action of water. Because gold is heavier than most of the material moved by a creek or river, it can become concentrated in hollows and trapped in the bed of the …

They have been attributed to a broad category of ironoxide–copper– gold deposits from around the world. Olympic Dam (Gawler Craton, Australia) is the only known …

 · The Carlin Trend is a 60 kilometer long north-northwest trending alignment of gold deposits located in northeastern Nevada, within the larger Great Basin physiographic province of the western United States (Figs. 1, 2). Gold deposits are hosted in a variable stratigraphic package of Ordovician through lower, Mississippian rocks.

 · This contribution presents an abridged overview of currently available information on the geological setting and characteristics for some of the main deposits where gold is extracted. In view of the consistent link between gold metallogeny and granitoid–greenstone belts in the northern Guiana Shield, the mineralised settings in …

 · The gold fields of the Witwatersrand Basin in South Africa are, by a landslide, the largest single gold producing district in the world. It has produced some 2 billion ounces over a century of mining and at an …

 · Man most likely first obtained gold from placer deposits, more than 6,000 years ago. Placers account for more than two-thirds of the total world gold supply, and roughly half of that mined in the States of California, Alaska, Montana, and Idaho.Placer deposits result from weathering and release of gold from lode deposits, transportation of the gold, and …

 · The only probable VMS gold-copper deposit known is the Montagne d'Or in Fren ch Guiana (Guiraud et al., 2017). Artisanal s m all-scale miners concentrate on gold in placers and overburden,

Classifications of ore deposits provide essential frameworks for designing exploration strategies, evaluating prospects, and performing resource assessments of selected areas. This paper proposes a geological classification of lode gold deposits, based largely on the nature of the ore and on the geological settings of the deposits. Sixteen common types of …

 · Gold ore deposits are found in rocks throughout the earth's geological history, from the earliest Precambrian—more than 3.1 billion years old—to the present. Gold deposits can still be seen today forming in some active geothermal areas. There are six "world-class" settings for magmatic-hydrothermal gold deposits: 1. orogenic gold ...

Gold has been treasured since ancient times for its beauty and permanence. Most of the gold that is fabricated today goes into the manufacture of jewelry. However, because of …

 · Abstract. Gold deposits are arguably more widely distributed through geological time, and present in more geological environments, than the economic concentrations of any other metal. Hence, gold ...

4. Geodynamics and Formation of Gold Deposits. There is a wide variety of gold deposits that differ by their geology and also by their mode of formation. The description of the main types of gold deposits in the preceding …

 · The Abitibi Belt, Canada. The Archean Superior Province of Canada contains the Abitibi greenstone belt, which contains some of the world's largest gold and copper-zinc deposits with significant amounts of …