Ore deposits: Classification vs Modeling Each ore deposit is unique like a person's finger print This uniqueness arises out of : ¾fundamental differences in processes and environments ¾local, site-specific geologic variations And produces an extremely large variation in characteristics ¾If we group the deposits according to their characteristics, we get a
Get Price14.09.2015· Gold Deposit Class #4 Gold/Silver Veins: Saddle reef Mineralize pipes Silicified deposits: Gold Deposit Class #5 Auriferous veins: Saddle Fracture. Sheeted Zone. Saddle Fault. Gold Deposit Class #6: Auriferous Lode. Stockworks. Silicified zones Intrusive Igneous Rocks: Gold Deposit Class #7: Disseminated. Stockworks. Sedimentary. Volcanic rock: Gold Deposit Class #8
Get Price30.04.2004· By Our Special Correspondent Bangalore, The Hindu, 30 April 2004 : There are indications of fairly large gold deposits suitable for open pit mining in north Karnataka, according to Deccan Gold Mines Ltd. (DGML), the first private sector gold exploration company listed on the Bombay Stock Exchange. The only working gold mining company in the []
Get PriceSupergene gold deposite are often classified as SECONDARY gold deposits. Other Secondary Gold Deposits are alluvial and eluvial gold deposits. Characteristics of Supergene deposits . There needs to be a primary gold source nearby at depth or up slope; High grade but small tonnage, with coarse gold and nuggets; Higher purity of the gold. Recent time frame in Geological age terms Tertiary less
Get PriceIn the Western US this formation is commonly called desert pavement. In gold-bearing regions when the desert pavement contains significant quartz vein material, this is a reliable sign that gold may also be present in the surface material. 25) Perched Gravel Benches Along Gold-bearing Streams.
Get PriceA gold deposit is more likely to be found on the downstream side of an outcropping which juts out into the river in a downstream direction, because that is where the force of the flow lets up. LARGER GOLD TRAPS: PAY-STREAK AREAS. One of the most common locations within a stream or river to find a gold deposit is where the bedrock drops off suddenly to form a deep-water pool. Any place where a
Get Price14.07.2014· The gold content of soils from Tuniya (16 ppb), Sado (80 ppb), Mayowa (266 ppb), Hanudezoma (79 ppb), and Dangowa (27 ppb) exceeded its background values. This is a positive geochemical anomaly that indicates vertical or lateral proximity to higher grade of gold deposit.
Get Price05.05.2016· These large deposits of gold are usually transported due to gravity (if formed in hills or mountains) or by water movements. Once the residual gold enters a stream or a river, it becomes alluvial gold and because gold is a heavy metal, they become difficult to move and begin to concentrate in areas like the lowest point in a stream bed. These alluvial gold deposits are usually found many miles
Get Pricegold deposits, zoned pyrite contains a high gold concentration, and gold in the outer accretion zone is often higher than that in the core. Gold concentration in pyrite and arsenopyrite ranges from below one ppm to several hundred ppm. Possibly the most Au-rich pyrite was reported from the Emperor gold deposit in Fiji, which contained up to
Get Price02.09.2011· There is no one indicator of gold that always works. What works well in one district may not always work so well in another. In one place a certain type of rock may host all the deposits. In another district the most important may be areas colored red by high iron concentrations.
Get Price