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Articles 451 - 480 of 968
Full-Text Articles in Geology
Mgrre_Thinsections_Mgrre-141_57, Mgrre
Mgrre_Thinsections_Mgrre-141_75, Mgrre
Mgrre_Thinsections_Mgrre-141_85, Mgrre
Mgrre_Thinsections_Mgrre-142_14, Mgrre
Mgrre_Thinsections_Mgrre-142_45, Mgrre
Mgrre_Thinsections_Mgrre-142_57, Mgrre
Mgrre_Thinsections_Mgrre-142_64, Mgrre
Mgrre_Thinsections_Mgrre-144_1, Mgrre
Mgrre_Thinsections_Mgrre-144_22, Mgrre
Mgrre_Thinsections_Mgrre-145_23, Mgrre
Mgrre_Thinsections_Mgrre-146_10, Mgrre
Mgrre_Thinsections_Mgrre-146_18, Mgrre
Mgrre_Thinsections_Mgrre-141_21, Mgrre
Mgrre_Thinsections_Mgrre-141_39, Mgrre
Mgrre_Thinsections_Mgrre-141_42, Mgrre
Mgrre_Thinsections_Mgrre-141_52, Mgrre
Mgrre_Thinsections_Mgrre-141_71, Mgrre
Mgrre_Thinsections_Mgrre-141_80, Mgrre
Mgrre_Thinsections_Mgrre-141_81, Mgrre
Mgrre_Thinsections_Mgrre-141_87, Mgrre
Mgrre_Thinsections_Mgrre-142_56, Mgrre
Mgrre_Thinsections_Mgrre-141_70, Mgrre
Mgrre_Thinsections_Mgrre-142_55, Mgrre
Mgrre_Thinsections_Mgrre-143_14, Mgrre
Elemental And Mineralogical Characterization Of Permo-Carboniferous Coal In The Ngaka Coalfield, Southwest Tanzania: Implications For Coal Quality Variation, John W. Gama, Justina J. Saroni, Remigius L. Gama
Elemental And Mineralogical Characterization Of Permo-Carboniferous Coal In The Ngaka Coalfield, Southwest Tanzania: Implications For Coal Quality Variation, John W. Gama, Justina J. Saroni, Remigius L. Gama
Tanzania Journal of Science
Coal from heterolithic seams exhibits distinct chemical characteristics due to interbedded non-coal beds, which influence its quality and usability. Despite extensive research in these settings, the elemental and mineralogical characteristics of the heterolithic sequences of the Mchuchuma Formation (K2) in the Ngaka Coalfield remain poorly documented. This study provides the first detailed assessment of K2 seams across five active mine sites. Eleven representative samples were analyzed using proximate, elemental, and mineralogical techniques, supported by Pearson correlation, binary analysis, and Principal Component Analysis. Proximate analysis revealed that ash content varies across mine sites, with values ranging from 9.17 to 25.03%, volatile …
Mapping Of Petroleum-Prospective Structures In The Jurassic Complex Of The Western Aral Uplift Based On Seismic Attributes, Yuliya Leonidovna Salaydinova, Marina Georgievna Yuldasheva
Mapping Of Petroleum-Prospective Structures In The Jurassic Complex Of The Western Aral Uplift Based On Seismic Attributes, Yuliya Leonidovna Salaydinova, Marina Georgievna Yuldasheva
Technical science and innovation
To solve the problems of identifying and mapping prospective structures, comprehensive analysis of 3D seismic attributes is widely used at the present stage of geological research; it was applied to assess the petroleum potential of the Jurassic rock complex in the Aral Sea offshore area of the Ustyurt region. The study integrates structural mapping on the tops of Permo-Triassic and Jurassic horizons, attribute volumes (Variance/Coherence, Sweetness, root-mean-square (RMS) amplitude, Envelope) and generalized spectral decomposition (GSD, 19-41 Hz), combined with well-log and well-test data from the Western Aral, Meros, Dengiz and Karakum areas. Variance attributes were used to delineate fault zones …
Mgrre_Thinsections_Mgrre-140_2, Mgrre
Mgrre_Thinsections_Mgrre-140_4, Mgrre