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Granitic-melt and carbonic-fluid inclusions in diopside megacrysts from ankaramitic basalt dikes at Kamisano, Yamanashi prefecture, northeastern Japan 日本东北部山梨县上佐野安卡拉米特玄武岩尖晶石中的透辉石巨晶中的花岗岩熔体和碳流包裹体
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-12-13 DOI: 10.1111/rge.12324
Takashi Amagai, Masanori Kurosawa
{"title":"Granitic-melt and carbonic-fluid inclusions in diopside megacrysts from ankaramitic basalt dikes at Kamisano, Yamanashi prefecture, northeastern Japan","authors":"Takashi Amagai, Masanori Kurosawa","doi":"10.1111/rge.12324","DOIUrl":"https://doi.org/10.1111/rge.12324","url":null,"abstract":"Large phenocrysts, known as megacrysts, are focal points for research due to their ability to encapsulate large inclusions suitable for precise chemical analyses. Ankaramite, a distinctive type of undifferentiated volcanic rock, stands out due to its high MgO and CaO contents and the presence of abundant Ca-rich clinopyroxene (diopside) and less common Mg-rich olivine phenocrysts. In this study, granitic melt inclusions together with carbonic fluid inclusions were identified within diopside megacrysts of ankaramitic basalt dikes in the Kamisano region, Yamanashi Prefecture, Japan. The identified melt inclusions are completely crystallized and primarily composed of quartz, alkali feldspar, and plagioclase, with smaller amounts of pargasite, augite, apatite, and sulfides. Small amounts of residual glass were also occasionally observed in the inclusions. The average chemical composition of these granitic melts within the inclusions corresponds to that of calc-alkaline granodiorite and the melts are characterized by low water content (0.38 wt%) and high concentrations of sulfur (7000 ppm), copper, and iron. The findings suggested that the composition of granitic melt inclusions may provide insights into the characteristics of near-surface hydrothermal metal ore deposits. The diopside megacrysts also contain CO<sub>2</sub><span></span>H<sub>2</sub>O fluid inclusions, which are completely crystallized and mainly comprised of calcite and chlorite, along with small amounts of quartz. The crystals are interpreted to have formed by the reaction of original CO<sub>2</sub><span></span>H<sub>2</sub>O fluids and host diopside. The diopside megacrysts are estimated to have started crystallization from tholeiitic basalt at a depth of ~30 km in the lower crust, and trapped fluids and granitic melts as inclusions at a shallower depth when the tholeiitic magma ascended.","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"8 7 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138632558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spatial and temporal distribution of hydrocarbon production on the UK continental shelf 英国大陆架油气生产的时空分布
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-12-05 DOI: 10.1111/rge.12323
Ukari Osah, John Howell
{"title":"Spatial and temporal distribution of hydrocarbon production on the UK continental shelf","authors":"Ukari Osah, John Howell","doi":"10.1111/rge.12323","DOIUrl":"https://doi.org/10.1111/rge.12323","url":null,"abstract":"Hydrocarbon production from oil and gas fields is controlled by a variety of interconnected factors with a hierarchy of significance that is, for the most part, difficult to untangle. This article documents and investigates the spatial and temporal distribution of key hydrocarbon field parameters on the UK Continental Shelf. Data have been compiled from publicly available sources for 424 fields. Variables are considered as “descriptive parameters,” “control parameters” and “outcomes”. Descriptive parameters are metadata such as field name, location, etc. Control Parameters include depositional environment, present depth of burial, porosity, permeability, reservoir formation pressure, reservoir temperature, average net-to-gross, number of fault populations, hydrocarbon API, field area, bulk rock volume, well density, number of wells (production and injection), well spacing, gas oil ratio, reservoir thickness, fluid saturation, compartmentalization (quantitated by number of observable non-communicating fault compartments), structural complexity (scaled from 0 to 5), field production strategy, trap type and stratigraphic heterogeneity. Outcomes are used to assess field performance and include final recovery factor (estimated), maximum production rate, and cumulative monthly production. Analysis of the database illustrates a number of empirical observations regarding hydrocarbon production on the UKCS. The Jurassic plays have been the most successful in the region in terms of total volumes produced while the Permian reservoirs of the SNS account for the majority of the gas. Most of the UKCS reservoirs record top depths between 2000 and 4500 m with good reservoir quality. The best reservoir quality is observed in reservoirs that were deposited within deep marine systems. The largest hydrocarbon reserves are found in the Northern North Sea basin in these deep marine (as well as paralic and shallow marine) reservoirs. Using the data from this article and affiliated data, potential exists for extracting insight beyond spatio-temporal distributions.","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"50 7","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138518522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trace element composition of fluorite from the Chumathang pegmatite deposit, eastern Ladakh, India 印度拉达克东部楚马唐伟晶岩矿床萤石微量元素组成
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-11-28 DOI: 10.1111/rge.12322
Stanzin Namga, Pankaj K. Srivastava, Rajni Magotra, Pawan Singh
{"title":"Trace element composition of fluorite from the Chumathang pegmatite deposit, eastern Ladakh, India","authors":"Stanzin Namga, Pankaj K. Srivastava, Rajni Magotra, Pawan Singh","doi":"10.1111/rge.12322","DOIUrl":"https://doi.org/10.1111/rge.12322","url":null,"abstract":"The fluorite deposit of the Chumathang area of south-eastern Ladakh, India, is hosted in pegmatite which cross-cuts the Paleogene Chumathang granite. The rare earth element and yttrium (REE-Y) and the trace element's composition of different colored (green, purple, and white) fluorite were investigated to understand its genesis. The green fluorite core is surrounded by purple fluorite, indicating that green fluorite crystallized earlier than the purple one. The white fluorite is mineralized with green fluorite, it does not exhibit any zoning like the other fluorite. The REE pattern of green and white fluorites is similar to those in the host pegmatite and associated Chumathang granite. ƩREE content in fluorite increases from green, white to purple. Fluorites in the study area are characterized by negative Ce suggesting partial reducing conditions during its formation. The Y/Y*, Ce/Ce*, and Eu/Eu* ratios show that fluorite records the compositional evolution of the hydrothermal solutions that transported the trace and REE from the host granite during the fluid–wall rocks interactions. The fluorite exhibits a positive Y anomaly which is suggestive of strong Y-Ho fractionation in the fluid system. Chumathang fluorite show significant degrees of differentiation between terbium (Tb) and lanthanum (La) in all the purple, green, and white colored fluorite. The Tb/La and Tb/Ca ratios of the fluorites confirm the role of pegmatitic melt and hydrothermal fluid in the genesis of Chumathang fluorite.","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"1 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138515771","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
List of Reviewers for 73 73的审稿人列表
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12306
{"title":"List of Reviewers for 73","authors":"","doi":"10.1111/rge.12306","DOIUrl":"https://doi.org/10.1111/rge.12306","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"54 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86724414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Environmental risk assessment of the contamination of river water and sediments from the Bor mining area, East Serbia―Secondary Cu enrichment at the reservoir site 东塞尔维亚博尔矿区河水和沉积物污染的环境风险评价——水库遗址的二次Cu富集
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12314
Olaotse Osenyeng, D. Ishiyama, Stefan Đorđievski, D. Adamović, Y. Ogawa
{"title":"Environmental risk assessment of the contamination of river water and sediments from the Bor mining area, East Serbia―Secondary Cu enrichment at the reservoir site","authors":"Olaotse Osenyeng, D. Ishiyama, Stefan Đorđievski, D. Adamović, Y. Ogawa","doi":"10.1111/rge.12314","DOIUrl":"https://doi.org/10.1111/rge.12314","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"9 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88442048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assimilation and extensive metasomatism of agpaitic rocks from the transitional layered kakortokite, Ilímaussaq Intrusion, South Greenland 南格陵兰岛Ilímaussaq侵入区过渡性层状kakortokite中绿质岩的同化和广泛交代作用
4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12320
Hans Kristian Schønwandt, Gregory B. Barnes, Thomas Ulrich
{"title":"Assimilation and extensive metasomatism of agpaitic rocks from the transitional layered kakortokite, Ilímaussaq Intrusion, South Greenland","authors":"Hans Kristian Schønwandt, Gregory B. Barnes, Thomas Ulrich","doi":"10.1111/rge.12320","DOIUrl":"https://doi.org/10.1111/rge.12320","url":null,"abstract":"Abstract The peralkaline Ilímaussaq Intrusion of the Gardar Province in South Greenland consists of several intrusive phases that have been related to different magmatic pulses and igneous cumulate processes. The lowermost exposed part of the intrusion is kakortokite, a eudialyte‐nepheline syenite, with distinctive sub‐horizontal layering which passes upwards into lujavrite, a fine‐grained melanocratic eudialyte‐nepheline syenite. Along the contact between kakortokite and lujavrite lies a transitional layered kakortokite, which has been defined previously based on textural and mineralogical criteria. However, published literature presents conflicting descriptions of this sequence in terms of thickness, layering, contacts, and mode of origin. Our own and previous field and petrographic investigations suggest that parts of the eudialyte‐rich zones in the transitional layered kakortokite comprise metasomatized and partially assimilated naujaite autoliths, a sodalite‐rich eudialyte nepheline syenite, detached probably from the roof of the intrusion. Here, we focus on the nature of the transitional layered kakortokite and conclude, in contrast to the conventional model, that it was formed by metasomatic transformation and assimilation of naujaite autoliths. We propose that the breakdown and replacement of sodalite locally increased chlorine and sodium concentrations, which may have catalyzed the precipitation of eudialyte. In detail, we suggest that the uppermost four eudialyte‐rich horizons were strongly influenced by metasomatic processes caused by mineral‐melt reaction, and were not simply the result of conventional igneous magmatic cumulate formation, as has been inferred for the underlying kakortokite layered units. Recognition of a significant metasomatic process has important bearing on the distribution of minerals with specific elements, like REE in eudialyte, both from a petrological and an economic perspective.","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"113 11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136257749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The formation of schwertmannite colloids and natural remediation of toxic elements from Shojin River, Hokkaido, Japan 日本北海道朔津河中有毒元素的天然修复及施魏特曼矿胶体的形成
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12315
Frances Chikanda, Sereyroith Tum, Tatsuya Matsui, S. Norota, T. Otake, Tsutomu Sato
{"title":"The formation of schwertmannite colloids and natural remediation of toxic elements from Shojin River, Hokkaido, Japan","authors":"Frances Chikanda, Sereyroith Tum, Tatsuya Matsui, S. Norota, T. Otake, Tsutomu Sato","doi":"10.1111/rge.12315","DOIUrl":"https://doi.org/10.1111/rge.12315","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"276 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90759813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geochronology, magma source, and geochemistry of igneous rocks in the northern Taebaeksan metallogenic region, South Korea 韩国太白山成矿区北部火成岩年代学、岩浆源和地球化学
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12312
Il-Hwan Oh, C. Heo, Sang‐Gun No, Seong-Jun Cho
{"title":"Geochronology, magma source, and geochemistry of igneous rocks in the northern Taebaeksan metallogenic region, South Korea","authors":"Il-Hwan Oh, C. Heo, Sang‐Gun No, Seong-Jun Cho","doi":"10.1111/rge.12312","DOIUrl":"https://doi.org/10.1111/rge.12312","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"9 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85337339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nature and conditions of gold mineralization at the Tau deposit, Mupane mine, Tati Greenstone Belt, Botswana: Evidence from fluid inclusion and arsenopyrite geothermometer 博茨瓦纳Tati绿岩带Mupane矿Tau矿床金矿化性质及成矿条件:流体包裹体和毒砂地温计证据
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12316
Onameditse Lulu Seaba, A. Imai, K. Yonezu, Manuel Nopeia, Kemmonye Baliki
{"title":"Nature and conditions of gold mineralization at the Tau deposit, Mupane mine, Tati Greenstone Belt, Botswana: Evidence from fluid inclusion and arsenopyrite geothermometer","authors":"Onameditse Lulu Seaba, A. Imai, K. Yonezu, Manuel Nopeia, Kemmonye Baliki","doi":"10.1111/rge.12316","DOIUrl":"https://doi.org/10.1111/rge.12316","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"41 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82350683","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mineralogical and sulfur isotopic characteristics of Archean greenstone belt‐hosted gold mineralization at the Tau deposit of the Mupane gold mine, Botswana 博茨瓦纳Mupane金矿Tau矿床太古宙绿岩带金矿化的矿物学和硫同位素特征
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12305
Onameditse Lulu Seaba, A. Imai, K. Yonezu, Kemmonye Baliki
{"title":"Mineralogical and sulfur isotopic characteristics of Archean greenstone belt‐hosted gold mineralization at the Tau deposit of the Mupane gold mine, Botswana","authors":"Onameditse Lulu Seaba, A. Imai, K. Yonezu, Kemmonye Baliki","doi":"10.1111/rge.12305","DOIUrl":"https://doi.org/10.1111/rge.12305","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":"15 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74178854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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