19 Result(s)
within
English
Earth Sciences
Mineralogy
**-**a Ding
Chapter
-
Chapter
Infrared Effect of Minerals
Fourier transform infrared spectroscopy technology has played an important role in various fields, including food safety detection, identifying the fingerprint area of substances, and revealing the internal vi...
-
Chapter
Photocatalytic Reduction Effects of Sphalerite and Sulfur
Semiconducting minerals are widely distributed in nature. They have been playing critical roles in near-surface geological processes, including the formation of prebiotic organic molecules (Schoonen et al., Am...
-
Chapter
Photoactivity of Mn Oxides on Earth’s Surface
Mn oxides have long been ubiquitously spread on earth, from the Mn deposits in Precambrian strata (Roy in Geol Soc London Spec Publ 119:5–27, 1997) to the Mn nodules spread over the sea floor (Bauman in Nature...
-
Chapter
Interaction Between Fe & Mn-Bearing Minerals and Microbes
Minerals and microbes have coevolved throughout the earth’s history. They interact at the microscopic scale, but their effects are manifested macroscopically. Minerals support microbial growth by providing ess...
-
Chapter
Photocatalytic Oxidation Effects of Rutile
The use of photocatalytic reactions for industrial and environmental applications has received growing attention since Fujishima and Honda discovered the photocatalytic splitting of water on TiO2 electrode (Fujis...
-
Chapter
Human Pathological Mineral Features
Mineralization is a subsystem of the life system, which is one of several events that constitute the life process of the human body. Functional mineralization is a controlled process that occurs in a specific ...
-
Chapter
Environmental Effects of Tunnel Structure Minerals
There are more than 30 known manganese oxide/hydroxide minerals distributed in a wide variety of geological settings (Post in Proc Nal Acad Sci 96(7):3447–3454 1999). Mn presents in most manganese oxide/hydrox...
-
Chapter
Redox Activity of Iron Sulfide and Mn Oxide
Pyrrhotite is a common iron sulfide mineral in nature, which can be divided into hexagonal and monoclinic structure. Hexagonal pyrrhotite is also called meteorite pyrite, and its chemical composition is FeS. T...
-
Chapter
Interactions Between Semiconducting Minerals and Microbes
A synergistic reaction pathway has been identified between semiconducting minerals and bacteria. Such reactions sustain electron and energy flow from light to non-phototrophic bacteria via semiconducting miner...
-
Chapter
Environmental Property of Minerals
Resources and environment are the two main themes of contemporary earth sciences. And as a basic discipline of geoscience, the development of mineralogy should focus on the two themes. The understanding and ut...
-
Chapter and Conference Paper
Dynamics of Dissolved Organic Carbon in the Rhizosphere of Ryegrass (Lolium multiflorum L.) Induced by PCBs Pollution
The objective of this study was to examine ryegrass for phytoremediation of polychlorinated biphenyls (PCBs)-contaminated soils. A rhizobox was designed to allow the harvest of an intact layer of rhizosphere s...
-
Chapter and Conference Paper
Dynamic Behavior of Persistent Organic Pollutants in Soil and Their Interaction with Organic Matter
Persistent organic pollutants (POPs) pose threat to environment because of their potential for longrange atmospheric transport, bioaccumulation and toxicity. The POPs behave dynamically in the environment acco...
-
Chapter and Conference Paper
A comparative study of the Punda and Selanjan orecontrolling breccia pipes in West Sarawak, Malaysia and the significance for ore prospecting
As ore-controlling structures, the Punda and Selanjan breccia pipes in Sarawak, Malaysia, are typical hypabyssal breccia pipes. Such breccias and their related mineralization types show distinct vertical zonat...
-
Chapter and Conference Paper
Muluozhai REE deposit in Sichuan Province, China: Stable isotope data and their implications on the dynamics of mineralization
The Muluozhai REE deposit, located about 60 km to the southwest of the Mianning county, Sichuan Province, is the third largest light REE deposit in Sichuan. The Muluozhai REE deposit is tectonically located on...
-
Chapter and Conference Paper
Fluid inclusions in gold mineralization in the Sarekoubu area of the southern Altai Mountains, **njiang, China
The Sarekoubu gold deposit occurs in Devonian metamorphic rocks at the southern margin of the Altai Mountains, **njiang, China. The main mineralization stages are pyrite-quartz stage (II) and polymetallic stag...
-
Chapter and Conference Paper
The high-grade Baolun gold deposit, Hainan Island, China
The Baolun gold deposit has the highest grade ores among the new discoveries for gold in China. The lode-gold quartz vein systems are hosted in the Silurian low grade metamorphic rocks of sericite-quartz phyll...
-
Chapter and Conference Paper
Cenozoic skarn Cu-Au deposits in SE Gangdese: Features, ages, mineral asssemblages and exploration significance
Kelu, Liebu, Chongmuda and Chengba are medium to large skarn and vein-type Cu-Au deposits in Shannan area in the southeastern part of the Gangdese Cu-Au belt. These deposits, hosted in carbonate and other calc...
-
Chapter and Conference Paper
The **ongcun Cu-Zn-Au deposit in the western segment of the Gangdese, Tibet: A Mesozoic VHMS-type deposit cut by late veins
The **ongcun Cu-Zn-Au deposit lies in the western segment of the Gangdese porphyry copper belt and in the forearc basin of the Southern Gangdese volcanic arc. The deposit is hosted by Cretaceous marine interme...
-
Chapter and Conference Paper
An ore-forming model for Pb-Zn deposits in the Qinling orogenic belt, China
The Qinling polymetallic belt is one of the important producers of Pb-Zn in China, as it contains numerous large to super large Pb-Zn ore deposits. Especially VHMS. SEDEX, and MVI Pb-Zn type deposits possess i...
