Essays about: "granite mining"

Showing result 1 - 5 of 8 essays containing the words granite mining.

1. 1. Geological characterization of rock samples by LIBS and ME-XRT analytical techniques

   University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

   Author : Nsioh Elvis Nkioh; [2022]
   Keywords : geological characterization; analytical techniques; LIBS; ME-XRT; SEM; element maps; SEM-EDS; secondary electrons; rock samples; automated ore microscopy; SEM-Zeiss Merlin; element weight percentages; element oxide percentages; scanning techniques; analytical methods; laser induced breakdown spectrometry; multi energy x-ray transmission; scanning electron microscope; carbon coating; mineralogical classification; element composition; rock chemistry; rock chemical composition;

   Abstract : One of the major challenges in earth sciences and mineral exploration has been to determine with high accuracy and at a fast rate the elemental composition as well as the general chemistry of a rock sample. Many analytical techniques e.g. READ MORE

3. 2. ‘Our own law is making us beggars’ : understanding the marginal experiences of governed, mine-side communities in Mutoko district, Zimbabwe

   University essay from SLU/Dept. of Urban and Rural Development

   Author : Saymore Ngonidzashe Kativu; [2021]
   Keywords : unequal ecological exchange; lifeworld; granite mining; governance; mining anthropology; natural resources curse; natural resources governance; Zimbabwe;

   Abstract : There is a rising interest in the Global South, to ensure that mineral resources are governed to benefit local communities where they are extracted. The shared Africa Mining Vision and economic aspirations in Zimbabwe seeking to integrate equity in governing and extracting mineral resources reflects such interests. READ MORE

4. 3. Structural control on the Peña del Seo tungsten-greisen vein deposit, northwest Spain

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Ida Kronsell; [2019]
   Keywords : Vein deposit Greisen Tungsten;

   Abstract : Tungsten is listed on the European Commission list of critical raw materials that are crucial to Europe’s economy. By raising awareness of tungsten as a critical raw material the EU can prioritise to enhance exploration, mining and recycling of tungsten. READ MORE

5. 4. Wear and degradation of Co, Fe and Ni-based cemented carbides against sandstone and granite

   University essay from Uppsala universitet/Tillämpad materialvetenskap

   Author : Felix Jacobson; [2018]
   Keywords : Cemented carbide; mining; drilling; granite; sandstone; mine water; wear; degradation; tribology; tribochemical; cobalt; nickel; iron;

   Abstract : This diploma work is performed at Sandvik Mining and Rock Technology, Rock Tools division, a world-leading mining equipment manufacturer. The aim is to study the wear of cemented carbide rock drill inserts worn against granite and sandstone countersurfaces, with focus on the impact of binder phase composition and flushing agent chemistry. READ MORE

6. 5. Tribological testing of top hammer drill buttons

   University essay from Uppsala universitet/Tillämpad materialvetenskap

   Author : Carl Johan Hassila Karlsson; [2016]
   Keywords : tribology; wear; cemented carbides; WC-Co; sandstone; granite; rock drilling; top hammer drilling; wear test; friction;

   Abstract : In the present work further modifications are implemented to an existing test setup for the evaluation of the wear of cemented carbide drill buttons in rock drilling applications. The test setup has been evaluated in previous diploma works, which has shown that the test successfully mimics the wear seen in rock drilling applications. READ MORE