primary and secondary gold deposits

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secondary mining and gold

Primary and secondary Gold SECONDARY GOLD Secondary gold (which is the main interest of most prospectors), needs all of the following in order to form: 1 a nearby primary gold source for the gold, 2 saline groundwater in which to dissolve the primary gold, 3 A means of bringing the dissolved gold to the surface, locally this is largely ....

Gold Prospecting e

Primary or Secondary Gold in an 8 ounce patch Congratulations to one of our seminar people who found 8 ounces of gold recently He asked me a question about the gold and wanted to know if there was any more gold based on the information he gave me...

What Is Placer Gold and Where Do I ,

Oct 20, 2015· Placer Gold: The Stuff You Gold Pan For To start off, there are two types of gold deposits: lode and placer Typically, lode deposits are the traditional veins of ore that are embedded in rocks and minerals To recover gold from lodes, miners have to blast, mill, or treat the rock with chemicals to recover the gold inside...

How is Gold Formed

Supergene Deposits (Secondary Gold Deposits) The Supergene Enrichment process forms by saline water dissolving minerals at the near suface weathering environment carriage of the material downwards to the water table where there is a secondary enrichment process Supergene gold deposite are often classified as SECONDARY gold deposits...

secondary mining and gold

Primary and secondary Gold SECONDARY GOLD Secondary gold (which is the main interest of most prospectors), needs all of the following in order to form: 1 a nearby primary gold source for the gold, 2 saline groundwater in which to dissolve the primary gold, 3...

Primary mineral

Primary sulfate minerals may occur in veins, these minerals include; Hauynite, Noselite, Barite, Anhydrite, Gypsum (primary and secondary mineral), Celestite, Alunite (primary and secondary mineral), Creedite, and Thaumasite For the classical discussions of the origin of primary ores, see the two publications "Ore Deposits" (1903 and 1913)...

Mining Group Gold

Additionally, the mining group gold method employs the idea of a facilitator who maintains order and helps in the management of emotions and potential conflicts within the group Overall the mining group gold method is an effective process as it deals with emotional intelligence...

primary gold ore

Though scarce, gold is concentrated by geologic processes to form commercial deposits of two principal types lode (primary) deposits and placer (secondary) deposits Lode deposits are the targets for the hardrock prospector seeking gold at the site of its deposition from mineralizing solutions...

Portrait of a Planet Fifth Edition

Ore Deposits Secondary-Enrichment Deposits Original deposit is sub-economic Secondary enrichment processes allow concentration of the ore minerals to economic levels This is also called Supergene Enrichment These deposits can form when dissolution occurs in oxygenated waters and the water moves to a deoxygenated region Ore Deposits...

PROSPECTING TECHNIQUES

The gold pan, an indispensable prospecting tool, is versatile, efficient, inexpensive, and portable (Mertie, 1954) From any sample, an experienced panner can recover 80 percent of the minerals that are heavier than quartz (specific , secondary Primary anomalies result from outward...

Portrait of a Planet Fifth Edition

Portrait of a Planet Fifth Edition Chapter 15 Mineral Resources CE/SC 10110-20110 , Ore Deposits Secondary-Enrichment Deposits Original deposit is sub-economic , for placer gold Ore Deposits Sedimentary & residual deposits are found in shield areas of continents...

Primary Secondary Tertiary Processing Of Gold

Process of gold mining primary secondary and tertiary this includes all the goods like loaves of bread mielies cars and gold at the economy is to define it according to primary secondary and tertiary sectors part of the primary sector the production of ,Primary secondary tertiary processing of gold...

PORPHYRY DEPOSITS

Porphyry-type mineral deposits result when large amounts of hot water that carry small amounts of metals pass through permeable rocks and deposit the metals Alteration Strong alteration zones develop in and around granitic rocks with related porphyry deposits...

Geochemical Prospecting

as secondary dispersion halos or anomalies and are more widespread All of these halos afford means whereby mineral deposits can be detected and traced; they form the geochemical anomalies which are the objects of search of all geochemical prospectors See also: Ore and mineral deposits Primary ,...

How IS gold Formed

Supergene 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...

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