placer deposit

What does Placer deposit mean DefinitionsC Placer

Freebase 250 / 2 votes Rate this definition Placer deposit In geology a placer deposit or placer is an accumulation of valuable minerals formed by gravity separation during sedimentary processLevson Victor M Surficial Placers in Selected British Columbia Mineral Deposit Profiles Volume 1 Metallics and Coal Lefebure DV and Ray GE

Get Price

Types of Placers Mineral Processing MetallurgyPlacer deposit Wiki Everipedia

Perhaps the best known schemes for the classification of gold placer deposits are those by Jenkins and Brooks the former being based on conditions of deposition and the latter on present position of the depositPlacer deposit s wiki In geology a placer deposit or placer is an accumulation of valuable minerals formed by gravity separation during sedimentary process The name is from the Spanish word placer meaning alluvial sand Placer mining is an importa

Get Price

Gold Nuggets In Every Pan Ultimate Placer Deposit PLACER DEPOSIT EXPLORATION Sensors Software Inc

03 30 32 Another gold mining adventure Ten pans all will good sized gold nuggets picker and flakes Good chunky placer gold is found in the creek and banks up to 3 meters out of the creekGround truth for the GPR interpretations were obtained from a number of exploratory excavations PLACER DEPOSIT EXPLORATION Overview Vannessa Ventures Ltd sponsored this investigation which formed part of an MSc thesis

Get Price

Placer Deposit RitchieWikiPlacer Deposit liquisearch

Placer deposit is a gold mining term used to describe a concentration of gold particles liberated from a primary source through mechanical or chemical processes such as weathering and gravity over an extended period of timeIn geology a placer deposit or placer is an accumulation of valuable minerals formed by gravity separation during sedimentary process The name is from the Spanish word placer

Get Price

Placer Deposit Minerals Glossary of TermsPlacer Gold Mining in Yukon Energy Mines and

Area in a stream or river where heavy material settles after being carried downstream in the current of the river or stream Gold is often found in placer depositsAs this suggests placer mining is the technique of recovering gold from gravel Placer deposits occur in several areas in Yukon though historically most of the mining has taken place near Dawson City This area is particularly favourable for placer deposits because it is in the unglaciated part of Yukon

Get Price

Placer Deposits Mining FundamentalsSampling practice and theory Mine EngineerCom

A placer deposit or placer is a natural accumulation of heavy valuable minerals which is formed by the gravitational effect during sedimentary process Placer mining is critical for gold extraction and one of the main mining methods used in several gold rushes including the California GoldSampling placer deposits is a little different from sampling a lode or vein deposit because of the nature of a placer deposit It is not a solid rock but a sandy or

Get Price

Placer deposit RevolvyWhat Are Placer Ore Deposits Sciencing

Placer mining topic 19th century miner pouring material from a stream bed into a rocker box which when rocked back and forth will help to separate gold dust from the sand and gravel Placer mining or is the mining of stream bed alluvial deposits for minerals Throughout human history placer deposits have been mined for treasures gold platinum diamonds and other gems The ancient Romans got most of the empire s gold from placer mines throughout the empire Placer deposits were at the center of the great gold rushes of the nineteenth century in California Alaska

Get Price

Placer deposit RevolvyPlacer Deposit From Modeling to Evaluation SpringerLink

Placer mining topic 19th century miner pouring material from a stream bed into a rocker box which when rocked back and forth will help to separate gold dust from the sand and gravel Placer mining or is the mining of stream bed alluvial deposits for minerals The report is devoted to methodology of prognostic search model construction of ore placer deposit on the basis of its multifactor multitag models under study by logic informational methods The logic informational model is represented by feature set informative for solution of prognostic problem

Get Price

Alluvial placer deposits geology exploration mining Alluvial placer deposits geology exploration mining

The geology of eluvial and alluvial placer deposits Description and mineralogy Page IIIThe bedrock in placer deposits is commonly referred to as the true bottom although the term is little used today When the streaks rest on a well defined stratum of sand gravel or clay above the bedrock they are said to be on a false bottom

Get Price

Placer gold deposits placer deposit Encyclopedia

09 15 32 Give A person A good idea on how to prospect A area for placer gold an mabey higher grades of gold an ore deposits enjoyplacer deposit Deposit of materials eg gold diamonds tin or platinum that has been concentrated by mechanical action Placer minerals generally have high density and resistance and therefore may concentrate during various types of weathering

Get Price

Placer Gold Deposits Wholesale Deposits Suppliers AlibabaPlacer Gold Deposits Pay Off

Alibaba offers 45 placer gold deposits products such as free samplPlacer gold deposits represent the most attractive targets for small scale miners and prospectors since activities can be carried out with reasonably small costs and encouraging prospecting results can be

Get Price

Placer deposit WikipediaGeology of Placer Deposits Geology Rock Geology

In geology a placer deposit or placer is an accumulation of valuable minerals formed by gravity separation from a specific source rock during sedimentary processGEOLOGY OF PLACER DEPOSITS SPECIAL PUBLICATION 34 California Division of Mines and Geology Ferry Building San Francisco GEOLOGY OF PLACER DEPOSITS

Get Price

Types of Placers Mineral Processing MetallurgyPlacer deposit Wikipedia

Perhaps the best known schemes for the classification of gold placer deposits are those by Jenkins and Brooks the former being based on conditions of deposition and the latter on present position of the depositIn geology a placer deposit or placer is an accumulation of valuable minerals formed by gravity separation from a specific source rock during sedimentary process

Get Price

Placer deposit RevolvyPlacer Deposit Exploration Sensors Software

Placer deposit Black sand concentrates In geology a placer deposit or placer is an accumulation of valuable minerals formed by gravity separation from a specific source rock during sedimentary process The name is from the Spanish word placer meaning \ alluvial sand\ Placer mining is an important source of gold and was the main technique Placer Deposit Exploration V annessa Ventures Ltd sponsored this investigation which formed part of an MSc thesis project at the University of Victoria GPR surveys characterized the fluvial depositional structure of a buried paleovalley at Maple Creek Guyana A combination of 50 and 100 MHz GPR data were acquired on more than 40 kilometers

Get Price