搜索结果: 1-11 共查到“地球科学总论 geochemistry”相关记录11条 . 查询时间(0.078 秒)
Geochemistry of Muro Banded Iron-Formation, Central Nigeria
Muro Iron-Formation Oxide Facies Carbonate Facies
2013/3/11
Muro Banded Iron-Formation occurs in the Proterozoic Toto Schist Belt, central Nigeria. It consists preponderantly of oxide facies and minor carbonate facies. The oxide facies is made up of alternatin...
Geochemistry and Geochronology of Peraluminous High-K Granitic Leucosomes of Yaoundé Series (Cameroon): Evidence for a Unique Pan-African Magmatism and Melting Event in North Equatorial Fold Belt
Pan-African North-Equatorial Fold Belt Yaoundé Series
2013/3/8
Geochemical and geochronological studies have been carry out on the leucosomes of Yaoundé series with the aims to identify the magma sources and to indicate their production periods and emplacement wi...
Geochemistry of Water and Suspended Particulate in the Lower Yangtze River: Implications for Geographic and Anthropogenic Effects
Suspended Particulate Major Element Trace Element
2013/3/7
The lower Yangtze River undergoes intense anthropogenic activities and various natural progress compared to the upper-middle reaches. We explore the aqueous geochemistry of ions and elements of suspen...
Determining the Relative Age of Fault Activity through Analyses of Gouge Mineralogy and Geochemistry: A Case Study from Vápenná (Rychleby Mts), Czech Republic
Crystalline Limestone Intersecting Faults Fault Gouge Relative Chronology
2013/3/6
The relative age of fractures can be determined through structural analyses in the field or through the detailed mineralogical (XRD) and chemical analyses (AAS method, volumetric, and gravimetric anal...
Petrography and Geochemistry of the Jajarm Bauxite ore Deposit, Northeast Iran: Implications for Source Rock Material and Ore Genesis
Iran karst bauxite geochemistry diaspore ore deposit
2010/10/14
The Jajarm bauxite deposit, northeast Iran, is the largest such deposit in Iran. The deposit is sandwiched between the Triassic Elika formation and the Jurassic Shemshak formation, housed within karst...
Mineral and Whole-rock Geochemistry of the Kestanbol Granitoid (Ezine-Çanakkale) and its Mafic Microgranular Enclaves in Northwestern Anatolia: Evidence of Felsic and Mafic Magma Interaction
Kestanbol granitoid magma mingling/mixing mafic microgranular enclave (MME) hybrid magma post-collision
2010/10/14
The Miocene Kestanbol granitoid, in Ezine-Çanakkale, Turkey, is one of post-collision granitoids of western Anatolia, which have been related to the the late Cretaceous collision between the An...
Thermal anomalies and fluid geochemistry framework in occurrence of the 2000-2001 Nizza Monferrate seismic sequence (northern Italy):Episodic changes in the fault zone heat flow or chemical mixing phenomena?
Thermal anomalies fluid geochemistry framework Episodic changes fault zone heat flow
2009/12/11
The paper discusses the correlation between the heating of shallow groundwater over a 10 × 20 km wide area close to the town of Nizza Monferrato (Piemonte Region, Northern Italy) and the concomitant l...
Geochemistry of trondhjemites and mafic rocks in the Bymarka ophiolite fragment,Trondheim,Norway:Petrogenesis and tectonic implications
Geochemistry of trondhjemites mafic rocks Bymarka ophiolite fragment tectonic implications
2009/12/3
The Early Ordovician Bymarka ophiolite fragment is situated in the Upper Allochthon of the central Norwegian Caledonides. Geochemical and geochronological investigations of this and other ophiolite fr...
'Green' Geochemistry Building Wins Awards--Leading Climate Studies, Sustainably（图）
'Green' Geochemistry Building Leading Climate Studies
2009/12/10
The new Gary C. Comer Geochemistry Building at Columbia University’s Lamont-Doherty Earth Observatory in Palisades, N.Y., has won three top architecture awards. Recognized for its environment-friendly...
Geochemistry of the Middle Miocene Collision-Related Yamadaği ( Eastern Anatolia) Calc-Alkaline Volcanics,Turkey
calc alkaline volcanics collision Eastern Anatolia Turkey
2010/1/11
Major, trace element and K-Ar age determinations are reported for a suite from the Yamadağı volcanics in the Eastern Anatolia. The exposed rocks mainly consist of medium-potassium calc-alkal...
Alteration Mineralogy and Geochemistry of the Hydrothermally Altered Rocks of the Kutlular (Sürmene) Massive Sulfide Deposit,NE Turkey
hydrothermal alteration clay minerals massive sulfide deposit eastern Pontides Turkey
2010/1/11
Volcanogenic massive sulfide deposits accompanying the Upper Cretaceous felsic rocks in the intra-arc rift zone of the Pontide palaeo-arc are common in the NE Turkey. One of them, the Kutlular (Sürmen...