G.W .Luttig.Industrial minerals and rocks:present trends in exploration,exploitation and use*in A* Cendrero et al(Eds),Planning the Use of the Earth'S Surface*1992.G.W .Luttig,Industrml minerals and rocks:present trends in exploration,exploitation and ulle,in A. Cendrero et al(Eds),...
A geo-ecological evaluation of mine wastes of a gold mine area in association with their potential ecological and human health risk assessment has been performed. It has been noticeable that the major oxides in the mine waste samples were derived mainly from the minerals present that were dominate...
The samples from Luchuan batholith are reddish, and the granitic texture is medium to fine grained (0.5–3 mm; Figure 2d–f). The minerals present include plagioclase (30%–35%), alkali feldspar (25%–30%) and quartz (20%–30%). Besides, trace amounts (<1%) of magnetite, apat...
Diagenetic and paleoenvironmental controls on Late Cretaceous clay minerals in the Songliao Basin,northeast China[J]. Clays and Clay Minerals,2015,63(6):469−484. DOI: 10.1346/CCMN.2015.0630605 [35] 邱楠生,胡圣标,何丽娟. 沉积盆地地热学[M]. 北京:中国石油大学出版社,2019. [36] SUN Deyou,...
On the one hand, the surface of marble and granite are very smooth compared with sandstone, indicating the different sizes of minerals and porosity of rocks. On the other hand, the volume of penetration pits is different for the marble, which is highlighted for the back rake angle of 50°...
Crustal contamination and fractional crystallization of the mafic magma Although we observed the presence of some minor secondary minerals in some samples, most of the samples have relatively low loss on ignition (LOI) values of less than 3.0 wt%, and no obvious correlation is shown between the ...
enrichment of organic matters in Carboniferous source rocks have been identified through a comprehensive investigation into the aspects such as mineral composition, organic matter abundance, kerogen type, thermal evolution degree, formation environment, and the relationship between TOC and primary minerals. ...
shale gas, since the rock-forming minerals have grain size smaller than 0.062 5 mm. These shales have a low TOC value (less than 0.5%) and the gas generation intensity of (5-10)×108m3/km2. They serve as both source rock and reservoir rock, with gas extensively accumulated after a nea...
Subsalt and intersalt oil pools, which are exploited with the application of water injection technique, are characterized by the dissolution of catagenetic halite and sulfates in pores, cracks, and caverns inside productive rocks, the precipitation of neogenic minerals, and the decomposition of dolomi...
Sandstones: In sandstones, the content of carbonate minerals and their load-bearing role in the pore structure determine the fate of the mechanical properties. Quartz-rich sandstones undergo trivial interactions with CO2 because of the slow dissolution kinetics of silicates, resulting in slight alteratio...