Results 31 to 40 of about 198,340 (317)

A Truck for Minerals [PDF]

Science, 1900
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openaire   +3 more sources

Life on a Mesoarchean marine shelf – insights from the world’s oldest known granular iron formation

Scientific Reports, 2020
The Nconga Formation of the Mesoarchean (~2.96–2.84 Ga) Mozaan Group of the Pongola Supergroup of southern Africa contains the world’s oldest known granular iron formation.
Albertus J. B. Smith, Nicolas J. Beukes, Jens Gutzmer, Clark M. Johnson, Andrew D. Czaja, Noah Nhleko, Frikkie de Beer, Jakobus W. Hoffman, Stanley M. Awramik   +8 more
doaj   +1 more source

Decomposition of vascular plants and carbon mineralization in coastal wetlands

, 2022
This chapter discusses factors affecting processes of litter decomposition in coastal wetlands, including biotic, abiotic, as well as anthropogenic factors.
Ouyang, X, Lee, SY
core   +1 more source

Anomaly and geochemistry of rare earth elements and yttrium in the late Permian coal from the Moxinpo mine, Chongqing, southwestern China

International Journal of Coal Science & Technology, 2014
The rare earth elements and yttrium (REY) of the K2 coal from the Moxinpo mine, Chongqing, were determined using inductively coupled plasma mass spectrometry (ICP-MS).
Jianhua Zou, Dong Liu, Heming Tian, Tian Li, Feng Liu, Lin Tan   +5 more
doaj   +1 more source

THE CHARACTERISTICS OF COAL AND OIL SHALE IN THE COASTAL SEA AREAS OF HUANGXIAN COALFIELD, EASTERN CHINA; pp. 204–217 [PDF]

Oil Shale, 2015
Coal and oil shale quality is important to evaluate for mining purposes worldwide. In order to evaluate the quality and analyze the mineralization of coal and oil shale in the Paleogene Lijiaya Formation in Huangxian Coalfield, Eastern China, 27 samples ...
DAWEI LV, ZENGXUE LI, Haiyan Liu, YING LI, TINGTING FENG, DONGDONG WANG, PINGLI WANG, SHAOYONG LI   +7 more
doaj   +1 more source

Compositional Variation of Amphiboles During Magma Mixing: A Case Study of Huangyangshan A-Type Granite in Kalamaili Metallogenic Belt, East Junggar, China

Frontiers in Earth Science, 2021
The Huangyangshan A-type granitic pluton, distributed along the thrust fault in the Kalamaili region of East Junggar, Xinjiang, China, consists of alkaline granite containing abundant dioritic enclaves that formed via magma mixing.
Chenyang Ye, Chenyang Ye, Chenyang Ye, Chenyang Ye, Chenyang Ye, Yonggang Feng, Yonggang Feng, Ruxiong Lei, Ruxiong Lei, Gaoxue Yang, Gaoxue Yang   +10 more
doaj   +1 more source

Scientific and Engineering Progress in CO2 Mineralization Using Industrial Waste and Natural Minerals

Engineering, 2015
The issues of reducing CO2 levels in the atmosphere, sustainably utilizing natural mineral resources, and dealing with industrial waste offer challenging opportunities for sustainable development in energy and the environment.
Heping Xie, Hairong Yue, Jiahua Zhu, Bin Liang, Chun Li, Yufei Wang, Lingzhi Xie, Xiangge Zhou   +7 more
doaj   +1 more source

Correction to: Size matters: biochemical mineralization and microbial incorporation of dicarboxylic acids in soil [PDF]

, 2022
The transformation and turnover time of medium- to long-chain dicarboxylic acids (DCA) in soil is regulated by microbial uptake and mineralization. However, the chain length of n-alkyl lipids may have a remarkable influence on its microbial utilization ...
Loeppmann, Sebastian, Kouchaksaraee, Reza Mohsenian, Dippold, Michaela A., Herschbach, Jennifer, Imhof, Wolfgang, Kashi, Hamed, Spielvogel, Sandra, Schink, Carina   +7 more
core   +1 more source

Petrogenesis and relationship with REE mineralization of the quartz syenite from Chishan and Longbaoshan alkaline complex, southeastern North China Craton: Insights from zircon U–Pb geochronology, element, and Sr–Nd–Pb–Hf isotope geochemistry

Frontiers in Earth Science, 2023
Mesozoic alkaline complexes associated with the rare earth element (REE) mineralization are developed in southeastern North China Craton (NCC), and they recorded some important information about the lithospheric thinning and destruction of the NCC ...
Pengfei Wei, Dapeng Li, Zhigang Song, Zhigang Song, Qiang Liu, Ke Geng, Yan Zhang, Chengwu Ding, Na Cai, Zengsheng Li, Chao Zhang, Wei Xie   +11 more
doaj   +1 more source

Effects of Flaw Geometry on the Fracturing Behavior of Rock-Like Materials Containing Two Arch-Like Parallelogram Flaws

Advances in Civil Engineering, 2020
To increase understanding of the strength and failure mechanism of rocks with arch-like fractures generated in the overlying strata above a gob during coal mining, a series of uniaxial compression tests on rock-like specimens containing two preexisting ...
Longqing Shi, Dongjing Xu
doaj   +1 more source