Results 71 to 80 of about 4,233 (188)

Dating of Precambrian Metasedimentary Rocks and Timing of their Metamorphism in the Soursat Metamorphic Complex (NW IRAN): Using LA–ICP-MS, U–Pb Dating of Zircon and Monazite [PDF]

Journal of Sciences, Islamic Republic of Iran, 2010
Soursat Metamorphic Complex (SMC) in west of Takab city is one of the polyphase metamorphic terrenes in northern Sanandaj-Sirjan metamorphic belt of Iran. The SMC composed mainly of metasedimentary rocks associated with granitic intrusions.
M. Jamshidi Badr
doaj  

Lithostratigraphy of the Lower Cretaceous of Southwestern and Central Crimea

Russian Journal of Earth Sciences
The revision and updating of the local geological units of the Lower Cretaceous in the Southwestern and Central Crimea have been carried out. For this purpose, the materials presented in numerous publications and the results obtained by the authors ...
Dubkova K. A., Shishlov S. B., Kolbanova A. V.   +2 more
doaj   +1 more source

The Mobility of Major and Trace Elements in EOC Minerals on Parent Chondrite Bodies

Geosciences
The combined EPMA and SIMS study of the geochemical features of olivine, low-Ca pyroxene and plagioclase in equilibrated ordinary chondrites (EOCs) has revealed the effect of thermal metamorphism on trace element concentrations in EOC silicate minerals ...
Kristina Sukhanova, Sergey Skublov
doaj   +1 more source

Assessment of the contribution of Precambrian deposits in forming the petroleum potential of the eastern part of the Volga-Urals basin using results of modeling

Записки Горного института
Consideration is given to results of geochemical analysis of organic matter and oils of the Proterozoic (the RF-V complex) and the Paleozoic (the pay intervals D2, D3, C1-2) of the eastern part of the Volga-Urals petroleum basin.
Dmitrii D. Kozhanov, Mariya Bolshakova
doaj  

Linking carbonatites, rare earth ores, and subduction-fertilized mantle lithosphere. [PDF]

Sci Adv
Spandler C, Merdith AS, Griffin A.
europepmc   +1 more source

Deciphering aeromagnetic data for sustainable sedimentary and structural insights in Obudu Plateau, Ikom Mamfe embayment and Oban Massif, southeastern Nigeria. [PDF]

Sci Rep
Eze OE, Ekwok SE, Thompson CE, Odey EI, Okiwelu AA, Abdelrahman K, Fnais MS, Andráš P, Eldosouky AM.   +8 more
europepmc   +1 more source

Application of advanced filters and sediment depth estimators in the mapping of geologic structures related to mineralization. [PDF]

Sci Rep
Yadav NP, Thompson CE, Singh NSS, Saleh LH, Mohamed AMA, Mahariq I, Usanov S, Raupov D, Jumanazarov D, Shaik AS, Islam S, Ekwok SE.   +11 more
europepmc   +1 more source

Time scales and gaps, Haar fluctuations and multifractal geochronologies. [PDF]

Commun Earth Environ
Lovejoy S, Davies R, Spiridonov A, Hebert R, Lambert F.   +4 more
europepmc   +1 more source

Integrated multi-scale aeromagnetic, gravity, and remote-sensing analysis for mapping basement fabric and structural architecture in the ِِِAswan region, Southern Egypt. [PDF]

Sci Rep
Khalifa M, Abbas MA, Mohammed MA, Theilen-Willige B, Kováčiková S, Othman I, Sharkawy MS.   +6 more
europepmc   +1 more source

Tectonism rather than "snowball Earth" glaciation is responsible for the Great Unconformity. [PDF]

Proc Natl Acad Sci U S A
Zhan RR, Duan L, Zattin M, Christie-Blick N, Wan B, Wei RH, Yang Z, Wang J, Gou L, Olivetti V, Chen KY, Zhang X.   +11 more
europepmc   +1 more source