Answer to: The most common group of minerals are in the (a) ___ group. This is not surprising since the two elements most common in the...
Mineralogy is key to understanding the geologic and climate evolution of all terrestrial planets. The mineralogical analysis of meteorites, returned samples and in situ measurements for the Moon, Mars and some asteroids form the basis of our understanding of the bulk composition of the solar system ...
However, the knowledge of the Ch9 shale is still limited compared with that of the Ch7 shale. The lake center was in the southern Ordos Basin during the depositional stage of the Yanchang Formation (Yang et al., 2014; Yao et al., 2018), where most of the shale was deposited. ...
). Most of them from the 3rd millennium BCE (Early Bronze Age) consist of unalloyed copper. However, towards the end of the millennium and during the first half of the 2nd bronze became gradually common during the Middle and Late Bronze Age, often associated with Andronovo influences (Kuz’...
1). What they have in common is the proliferation of porphyry deposits, but they differ in lower crust lithology which includes granulite, hornblendite, and gabbro. Using geochemical and isotopic results, we investigate the Cu budget and isotopic composition of the lower continental crust and ...
Other convex landforms are latitudinal hills made of layered sand and gravel. These forms are considered to be melted-out glacier depression hills. The most common convex forms in the Upper Narew catchment are kames. The concave forms include melting basins, valleys, and shallower bowls and ...
This research report briefly revisits the structures and properties of the most important LnPOMs isolated by the coordination of Ln3+ (a few Ln4+ are also mentioned) in the most common POMs. Furthermore, the incorporation/immobilization of LnPOMs using surfactants, nanostructured thin films and ...
is one of the most abundant mafic minerals in the lithosphere and contributes a portion of Mg and Ca to surface weathering. Here, we present detailed processes of the carbonation-coupled serpentinization of diopsidite from the Yushishan Nb–Ta deposit in the Altun Mountain, northwest China. Diop...
Magnetite-apatite deposits are important sources of iron and other metals. A prominent example are the magnetite lavas at the El Laco volcano, Northern Chile. Their formation processes remain debated. Here, we test the genetic hypothesis that an Fe-rich
Mountains are among the most sensitive ecosystems to climate change, and one of the most evident signs of climate-related effect is the continuous net loss of ice from the cryosphere. Several studies showed that meltwater from glaciated and perennially frozen areas can profoundly affect alpine aquat...