Prospective prediction and exploration situation of marine Mesozoic-Paleozoic oil and gas in the South Yellow Sea by Jian-wen Chen, Ming Xu, Bao-hua Lei, Jie Liang, Yin-guo Zhang, Shu-yu Wu, Jian Shi, Yong Yuan, Jian-qiang Wang, Yu-xi Zhang, Gang Li, Wen-juan Wang

“…According to the avaliable oil and gas exploration and research, the marine Mesozoic-Paleozoic oil and gas prospects of the South Yellow Sea were predicted as follows. (1) The South Yellow Sea Basin has the same sedimentary formation and evolution history during the sedimentary period of the Middle-Paleozoic marine basin with the Sichuan Basin. (2) There are 3 regional high-quality source rocks. (3) The carbonate and clastic reservoirs are developed in the Mesozoic-Paleozoic strata. (4) The three source-reservoir-cap assemblages are relatively intact. (5) The Laoshan Uplift is a prospect area for the Lower Paleozoic oil and gas, and the Wunansha Uplift is one for the marine Upper Paleozoic oil and gas. (6) The Gaoshi stable zone in the Laoshan Uplift is a favorable zone. (7) The marine Mesozoic-Paleozoic strata in the South Yellow Sea Basin has the geological conditions required to form large oil and gas fields, with remarkable oil and gas resources prospect. …”
Get full text

Hummingbirds in high alpine habitats of the tropical Mexican mountains: new elevational records and ecological considerations by Libertad Arredondo-Amezcua, Silvana Martén-Rodríguez, Martha Lopezaraiza-Mikel, Carlos A. Gutiérrez-Chávez, Erandi Ramírez-Aguirre, Roberto Sáyago-Lorenzana, María del Coro-Arizmendi, Mauricio Quesada

“…At the highest elevations, we observed hummingbirds hovering and perching on rocks while feeding from flowers at ground level. …”
Get full text

Generation of andesite through partial melting of basaltic metasomatites in the mantle wedge: Insight from quantitative study of Andean andesites by Long Chen, Yong-Fei Zheng, Zheng Xu, Zi-Fu Zhao

“…Nevertheless, the geochemical features of andesites are primarily controled from early to late by the composition of their source rocks in addition to partial melting and magma differentiation processes. …”
Get full text

Precious-Metal Mineralization and Formation Conditions of the Biche-Kadyr-Oos Epithermal Au-Ag Ore Occurrence (Eastern Sayan, Russia) by Renat V. Kuzhuget, Natalia N. Ankusheva, Ailai K. Hertek, Yuri A. Kalinin, Bulat B. Damdinov, Franco Pirajno, Yuri V. Butanaev, Nadezhda V. Suge-Maadyr, Sholban N. Soldup

“…The mineralization consists of gold-sulfide-quartz and gold-polysulfide-carbonate-quartz veins with argillic zones in the Lower Cambrian volcanic-sedimentary rocks. The origin of the Au-Ag ore occurrence is still debatable. …”
Get full text

Mapping forest fire severity using bi-temporal unmixing of Sentinel-2 data - Towards a quantitative understanding of fire impacts by Kira Anjana Pfoch, Dirk Pflugmacher, Akpona Okujeni, Patrick Hostert

“…In this regard, optical remote sensing imagery in combination with spectral unmixing has been widely used to measure fire severity by means of fractional cover of photosynthetic vegetation (PV), non-photosynthetic vegetation (NPV), charcoal (CH) and further ground components such as ash, bare soil and rocks. However, most unmixing analyses have made use of a single post-fire image without accounting for the pre-fire state. …”
Get full text

Identification of Phyllosilicates in the Antarctic Environment Using ASTER Satellite Data: Case Study from the Mesa Range, Campbell and Priestley Glaciers, Northern Victoria Land by Amin Beiranvand Pour, Milad Sekandari, Omeid Rahmani, Laura Crispini, Andreas Läufer, Yongcheol Park, Jong Kuk Hong, Biswajeet Pradhan, Mazlan Hashim, Mohammad Shawkat Hossain, Aidy M Muslim, Kamyar Mehranzamir

“…The presence of the smectite mineral group derived from the Jurassic basaltic rocks (Ferrar Dolerite and Kirkpatrick Basalts) by weathering and decomposition processes implicates Fe³⁺-rich and Fe²⁺-rich phyllosilicates. …”
Get full text

A summary of the Brazilian Paraná Basin Ordovician by Carolina Zabini, Lívia Rodrigues, Fernando Lavié, Ana Beatriz Furtado-Carvalho, Enrique Alberto Randolfe, Juan José Rustán, Francisco Arouca, Ana Laura Silva Gomes, Rodrigo Adôrno, Matheus Denezine, Dermeval A. do Carmo, Mário L. Assine

“…The history of deposition of these rocks is linked to the transition from a marine fluvial environment into the glacial diamictites and shales with dropstones, overlain by post-glacial transgressive shales, siltstones and sandstones. …”
Get full text

Gas hydrates distribution in the Shenhu Area, northern South China Sea: comparisons between the eight drilling sites with gas-hydrate petroleum system by M. SU, R. YANG, H. WANG, Z. SHA, J. LIANG, N. WU, S. QIAO, X. CONG

“…Fine-grained turbidites (Unit I) with thin-bedded chaotic reflectors at the bottom acted as the host rocks for hydrates; whereas, finegrained sediments related to soft-sediment deformation (Unit II) characterized by thick continuous reflectors at the top would serve as regional homogeneous caprocks. …”
Get full text

Characteristics, controlling factors and exploration prospects of microbial dolomite reservoirs in the second member of Dengying Formation, Penglai-Zhongjiang area of central Sichu... by Long WEN, Jianyong ZHANG, Liyin PAN, Hualing MA, Zeqi LI, Wenzheng LI, Wuren XIE, Zecheng Wang, Xiaodong FU, Yongxiao WANG, Rong LI

“…Microbial mounds in the platform margin of the second member of Dengying Formation in the Yanting-Mianyang and Cangxi-Guangyuan areas, with three sets of high-quality source rocks, may form a variety of favorable source-reservoir combinations. …”
Get full text

Multifaceted fine-grain niche modelling: Two mountain plants in one relic location by Katarzyna M. Zielińska, Marcin Kiedrzyński, Przemysław P. Tomczyk, Anastazja Gręda, Monika Staniaszek-Kik, Zuzanna Mrowińska

“…V. tripteris preferred the presence of barren rocks, higher cover of bryophytes, and trees and shrubs that shaded the locality.Niche overlap analysis conducted with differentiated methods underlined the importance of the variable selection for the analysis result, and the value and complementarity of different computational methods. …”
Get full text

Geochronology and geochemistry of Permo-Triassic sandstones in eastern Jilin Province (NE China): Implications for final closure of the Paleo-Asian Ocean by Qingxiang Du, Zuozhen Han, Xiaoli Shen, Chao Han, Zhigang Song, Lihua Gao, Mei Han, Wenjian Zhong

“…The sandstones display low CIA, PIA and high ICV values and low Th/U and Rb/Sr ratios, which suggest that the rocks were derived from an immature intermediate-felsic igneous source and experienced a simple sedimentary recycling history with relatively weak chemical weathering. …”
Get full text

Geochemical Characteristics and Gas Source Contributions of Noble Gases of the Sulige Large Tight Gas Field of Upper Paleozoic in Ordos Basin, China by Wang Xiaobo, Wang Xiaobo, Hou Lianhua, Hou Lianhua, Li Jian, Li Jian, Yang Chunxia, Fan Liyong, Chen Jianfa, Zhang Chunlin, Zhang Chunlin, Guo Jianying, Guo Jianying, Tian Jixian, Tian Jixian, Zheng Yue, Zheng Yue, Yang Chunlong, Yang Chunlong

“…Noble gases are typical crustal genesis, mainly originating from the radioactive decay of crustal source materials. 4) The gas source correlations of noble gases and alkane gases and their quantitative evaluations on source contributions show that natural gases in the Sulige gas field are originated from Carboniferous-Permian coal measure source rocks in Ordos Basin, mainly contributed by coals and supplemented by mudstones, accounting for 55–60% and 40–45%, respectively.…”
Get full text

Fault-bounded models of oil–Gas and gas–Hydrate accumulation in the Chaoshan Depression, the South China Sea by Zhong Guangjian, Zhong Guangjian, Feng Changmao, Wang Yanlin, Wang Yanlin, Chen Shenghong, Sun Ming, Yi Hai, Yu Junhui, Yu Junhui, Zhao Jing, Zhao Zhongquan

“…Correlating with the regional geology onshore the South China, drilling data of the Well LF35-1-1, and well-tying seismic profiles, it is found that two sets of source rocks are developed in the semi-closed gulf during the Upper Triassic-Lower Jurassic and the Upper Jurassic. …”
Get full text

БЕЛІГЕРАТИВНІ ОБ’ЄКТИ: ВІЗУАЛІЗАЦІЯ «ЗВЕРХУ» by Віталій Коржик

“…On deforested lands, an important diagnostic feature is the color lithological differences of rocks in former trench fills. Traces of large-caliber projectile explosions and deep trenches are quite clearly identifiable, which eloquently testifies to the clear localization and intensity of hostilities. …”
Get full text

Fluid Evolution and Ore Genesis of the Juyuan Tungsten Deposit, Beishan, NW China by Qiaojuan Yan, Zhengle Chen, Zhenju Zhou, Tongyang Zhao, Qiong Han, Jilin Li, Bo Liu, Wengao Zhang

“…The biotite ⁴⁰Ar/³⁹Ar age from the W-bearing quartz shows that the Juyuan tungsten system was formed at 240.0 ± 1.0 Ma, coeval with the emplacement of granitic rocks at the deposit. Integrating the data obtained from the studies including regional geology, ore geology, biotite Ar-Ar geochronology, fluid inclusion, and C-H-O-S-Pb isotope geochemistry, we conclude that the Juyuan tungsten deposit was a quartz-vein type system that originated from the emplacement of the granites, which was induced by collision between the Tarim and Kazakhstan–Ili plates. …”
Get full text

Dataset of 3D computer models of Late Miocene Mount Messenger Formation outcrops in New Zealand, built with UAV drones by Erman H. Kamaruzaman, Andrew D. La Croix, Peter J.J. Kamp

“…Modern UAV drone technology now enables 3D perspectives to be obtained of outcrop sections, which greatly improves geometrical analysis of the rocks. This type of analysis, coupled with mapping of seismic reflection data in the immediate offshore area has enabled us to better understand the nature of Mount Messenger Formation deep-water sedimentary strata and to interpret the associated paleogeography with implications for energy resource exploration and evaluation.Using UAV drone photogrammetry, we acquired ∼3000 images of the Mount Messenger Formation outcrop at four locations along the north Taranaki coast. …”
Get full text

3D deep geothermal reservoir imaging with wireline distributed acoustic sensing in two boreholes by E. Martuganova, E. Martuganova, M. Stiller, B. Norden, J. Henninges, J. Henninges, C. M. Krawczyk, C. M. Krawczyk

“…Borehole data with vertical resolution up to 16 m revealed the existing depth variations of the Elbe reservoir sandstone horizon at 4.08–4.10 km depth and indications of an unconformity in the area where we expect volcanic rocks. In addition, in the borehole data a complex interlaying with numerous pinch-outs in the Upper Rotliegend reservoir section (3.8 to 4 km depth) was discovered. …”
Get full text

Genesis of the Tangshang Au Deposit in Southeast Yunnan Province, China: Constraints from In Situ Chemical and S-Sr Isotope Analyses by Weifang Song, Pan Wu, Jianzhong Liu, Junhai Li, Zepeng Wang, Qinping Tan, Zhuojun Xie, Lulin Zheng

“…These results also demonstrate that the δ³⁴S values of the Au-bearing fluids are higher than those of basalt wall rocks. The flat chondrite-normalized REEs pattern and positive Eu anomaly of the calcite were similar to those obtained from Emeishan basalt, which suggests a reducing characteristic of hydrothermal fluids. …”
Get full text

Volcanism straddling the Miocene–Pliocene boundary on Patmos and Chiliomodi islands (southeastern Aegean Sea): insights from new ⁴⁰Ar ∕ ³⁹Ar a... by K. M. Boehm, K. F. Kuiper, B. Uzel, P. Z. Vroon, J. R. Wijbrans

“…<p>The island of Patmos, in the eastern Aegean Sea, consists almost entirely of late Miocene to Pliocene volcanic rocks. The magmatism in the Aegean is governed by subduction of the African plate below the Eurasian plate, back-arc extension, slab rollback, slab edge processes and westward extrusion of central Anatolia to the west along the Northern Anatolian Fault into the Aegean domain. …”
Get full text

Geochemistry and Sources Apportionment of Major Ions and Dissolved Heavy Metals in a Small Watershed on the Tibetan Plateau by Wencong Xing, Lai Wei, Wenmin Ma, Jun Li, Xiaolong Liu, Jian Hu, Xiaoxia Wang

“…The results of Piper diagram and Gibbs diagram analysis indicate that the water solute is mainly controlled by the weathering of carbonate rocks, followed by the influence of geothermal water confluence. …”
Get full text