This report provides details on field activities in placer geology conducted by the Applied Geochemistry and Surficia1 Geology Section of the British Columbia Geological Survey Branch. I n 1989, the provincial government expanded the area open to placer mining substantially, and the need for new exploration techniques in these regions was recognized. Studies of gold-hearing placer deposits ...

This paper repom on the preliminary results of an investigation of the Quaternary and placer geology of the Atlin mining district in northwest British Columbia. The area was selected for study because it supports the second largest placer mining industry in the province and has a long history of placer gold production. In addition, dwindling reserves in recent :years have resulted in the sh...

BACKGROUND At present, malaria cases in Suriname occur predominantly in migrants and people living and/or working in areas with gold mining operations. A molecular survey was performed in Plasmodium falciparum isolates originating from persons from gold mining areas to assess the extent and role of mining areas as reservoirs of malaria resistance in Suriname. METHODS The status of 14 putative...

This study aims to 1) analyze the impact of illegal gold mining (IGM) on social, economic, and environmental conditions as well problems faced by families in IGM area; 2) Formulate strategies for handling family welfare. The research was conducted Pangkalan Jambu District, Merangin Regency, Jambi Province. type data used is primary sourced from respondents informants area around mining. Data we...

recently, the effects of antimicrobial activity of silver nanoparticles was considered by researcher because of bacterial resistance to antimicrobial agents in chemical.the aim of this study was to evaluate the antimicrobial activity of the gold nanoparticles on escherichia coli. gold nanoparticles are chemically synthesized. standard strain of e. coli was cultured in a nutrient broth. minimum ...

the first step in mining activities is rock excavation in both mine development and production. constant pressure for cost reduction and creating an improved/safe work environment for personnel has naturally resulted in increased use of mechanical excavation systems in many mining operations. also, mechanical excavation and mining is more compatible with automation, meaning possibility of reduc...

In this collaborative investigation, femtosecond laser ablation-inductively coupled mass spectrometry (LA-ICP-MS) was applied to the study of a remarkable group of ancient Chinese gold objects in the Smithsonian’s Freer Gallery of Art and Arthur M. Sackler Gallery. Taking advantage of the superior ablation characteristics and high precision of a femtosecond 266 nm Ti:sapphire laser at Lawrence ...

The People's Mining Area is a mining area established by the government as community managed area. management of people gold in Kalirejo Village has largely not yet paid attention to environmental order. It can lead landform changes and potentially cause negative impact for environment. main purpose this research know technical feasibility people. Methods used are survey mapping, rating, descri...