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河南理工大学地球科学课件chepter 2 Mineral and Rocks。
High Heat Producing Volcano-Plutonic Rocks of the Siner Area, Malani Igneous Suite, Western Rajasthan, India
Radioactivity Volcano-Plutonic Rocks Malani Igneous Suite
2013/3/11
he volcano-plutonic rocks of the Siner area of the Malani Igneous Suite (MIS) are characterized by high content of radioactive elements (U, Th, K) and are classified as high heat producing felsic volc...
Exploring Trends in Microcrack Properties of Sedimentary Rocks: An Audit of Dry and Water Saturated Sandstone Core Velocity–Stress Measurements
Compliance Ratio Microcrack Properties Saturated Stress Dependent Velocities Ultrasonic
2013/3/11
Stress dependent rock physics models are being used more routinely to link mechanical deformation and stress perturbations to changes in seismic velocities and seismic anisotropy. In this paper, we in...
Total Organic Carbon Enrichment and Source Rock Evaluation of the Lower Miocene Rocks Based on Well Logs: October Oil Field, Gulf of Suez-Egypt
Total Organic Carbon Source Rocks Well Logs October Oil Field Gulf of Suez
2013/3/11
October oil field is one of the largest hydrocarbon-bearing fields which produces oil from the sand section of the Lower Miocene Asl Formation. Two marl (Asl Marl) and shale (Hawara Formation) section...
Characterization and Classification of Rocks with Lamb Modes
Ultrasound Lamb Waves Nondestructive Investigation
2013/3/8
The nondestructive investigation by ultrasound has become a fundamental tool for characterizing rocks. We applied this technique for characterizing samples of rocks. The later had been members of the ...
Stratigraphy, Sedimentology and Palynology of the Neogene-Pleistocene(?) Rocks Around Akçaşehir- Tire-İzmir (Küçük Menderes Graben, Western Anatolia)
earth siences rocks gneisses
2011/3/22
The basement rocks located in the central part of the southern edge of the Küçük Menderes Graben, around Akçaşehir-Tire are composed of marbles, schists, gneisses and metagabbros of...
Statistical Evaluation of Classification Diagrams for Altered Igneous Rocks
TAS classification volcanic rocks plutonic rocks chemical classification correct statistical analysis of compositional data
2010/10/14
The International Union of Geological Sciences (IUGS) has proposed recommendations for the classification of relatively fresh volcanic rocks, but with no specific instructions for altered volcanic roc...
Volcanic Rocks From Foça-Karaburun and Ayvalik-Lesvos grabens (Western Anatolia) and Their Petrogenetic-Geodynamic Significance
Turkish Aegean region volcanic rocks extension tectonics Cenozoic geochemistry petrology
2010/10/14
The Foça-Karaburun and Ayvalık-Lesvos grabens (western coast of Anatolia, Turkey) are two important NW-SE-trending extensional areas generated in response to the Early Miocene-Holocene ext...
Scientists Target East Coast Rocks For CO2 Storage（图）
Scientists Target East Coast Rocks CO2 Storage buried volcanic rocks Power Plants
2010/1/8
Scientists say buried volcanic rocks along the heavily populated coasts of New York, New Jersey and New England, as well as further south, might be ideal reservoirs to lock away carbon dioxide emitted...
Pressure stimulated currents in rocks and their correlation with mechanical properties
Pressure stimulated currents rocks correlation mechanical properties
2009/12/14
The spontaneous electrification of marble samples was studied while they were subjected to uniaxial stress. The Pressure Stimulated Current (PSC) technique was applied to measure the charge released f...
Stress induced polarization currents and electromagnetic emission from rocks and ionic crystals, accompanying their deformation
polarization currents electromagnetic emission rocks ionic crystals stress
2009/12/14
A crucial question of the scientific community nowadays, concerns the existence of electric signals preceding earthquakes. In order to give a plausible answer to this question, we carried out two kind...
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...
Sveconorwegian U-Pb zircon and monazite ages of granulite-facies rocks,Hisarøya,Gulen,Western Gneiss Region,Norway
Sveconorwegian U-Pb zircon monazite ages granulite-facies rocks
2009/12/3
U-Pb zircon data from newly discovered granulite-facies rocks on Hisarøya, Gulen,Western Norway, yield a discordia line with upper and lower intercepts of 1646 ± 110 Ma and 987 ± 10 Ma, respect...
Comparison of pattern-recognition techniques for classification of Silurian rocks from Lithuania based on geochemical data
pattern-recognition techniques classification Silurian rocks geochemical data
2009/12/3
There is no widely recognized chemical classification of sedimentary rocks. The geochemical classification of sedimentary rocks utilizes features that can be observed in hand specimens or in thin sect...
Low-grade sedimentary rocks on Vanna,North Norway:a new occurrence of a Palaeoproterozoic (2.4-2.2 Ga) cover succession in northern Fennoscandia
Low-grade sedimentary rocks new occurrence Palaeoproterozoic (2.4-2.2 Ga) cover succession
2009/12/2
The Archaean to Palaeoproterozoic West Troms Basement Complex comprises various tonalitic gneisses, felsic and mafic intrusive rocks and intervening narrow NW-SE-trending belts with partly mylonitised...