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Paper Number: 2259 Geochronology of the giant Beiya gold–polymetallic deposit in Yunnan Province, Southwest China and its relationship with the petrogenesis of alkaline porphyry Fu, Y.1, Sun, X.M.1,2,3*, Lin, H.1 and Zhou H.Y.2 1 School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China ...
The Geological Characteristics and Genesis of Beiya Gold-polymetallic Deposit, Yunnan Province, China Guangfu ZOU, Corresponding Author Guangfu ZOU Chengdu Institute of Geology and Mineral Resources, Chengdu 610082 China Corresponding author. E, ...
Millest sõltub päikesepaneelide tasuvus? Tasuvuse määrab kokkuhoid elektriarvetelt ning päikesepaneelide hind. Varasemalt mängis veel rolli riiklik taastuvenergia toetus, mis …
The Beiya gold–polymetallic deposit, located at the junction of the "Sanjiang" Tethys–Himalaya orogenic belt and the Yangtze craton in southwestern China, is the …
2 b) of the Triassic Beiya Formation in the ore district provide favorable host space for deposit formation. Fold and fault structures collectively play an important role in ore formation. The contact zone between the porphyries and carbonates, the structurally ...
The Beiya porphyry-skarn gold-polymetallic deposit is one of the largest gold deposits in China, and also contains significant amounts of silver and base metals. The estimated reserve at the end of 2015 was 130million metric tonnes (Mt) …
Highlights. •. Three hydrothermal stages are recorded in the Beiya Au deposit. •. Ore-forming fluids of the deposit belong to an H 2 O-NaCl-CO 2 hydrothermal system . •. …
1. Introduction The giant Beiya gold–polymetallic deposit lies in the middle of the Jinshajiang-Ailaoshan alkaline porphyry metallogenic belt and is the largest skarn gold deposit in China with estimated reserves of 130.8 million tonnes (Mt) of Au (average grade: 2.47 g/t), 170 Mt of Fe (average grade: 33.3 wt%), 125 Mt of Cu (average grade: 0.52 …
Semantic Scholar extracted view of "Geochemistry and geochronology of Beiya giant Au polymetallic deposit: Implications for multistage ore-fluid pulses in a skarn system" by Rui-Rui Zhang et al. DOI: 10.1016/j.oregeorev.2023.105818 Corpus ID: 266216060 ...
Dali Basin is close to the Beiya deposit, and experienced 4.4 ± 2.5 of clockwise rotation since 7.6 Ma (Li et al., 2013). Therefore, the anticlockwise rotation of the Beiya deposit may have occurred at some time between ~35 Ma and 7.6 Ma.
The Beiya porphyry-skarn Au deposit is one of the largest gold deposits in China, temporally and spatially associated with Eocene intrusions in a post-collisional setting in western Yunnan, China. In this study, we report new whole-rock geochemistry, Sr-Nd isotope, zircon U-Pb geochronology and in situ zircon Hf-O isotopes of quartz-monzonite and biotite …
Many granite porphyries of ~36 Ma were exposed in the Beiya deposit, including ... Geochemical and mineralogical contrasts between economic and uneconomic granite porphyries in the Beiya giant Au deposit, southwest China: Implications for petrogenesis and Cu–Au mineralization - Bao - 2023 - Geological Journal - Wiley Online Library
At Beiya, the occurrence of MMEs in host porphyries suggests that magma mixing between potassic mafic and adakite-like magmas took place beneath the Beiya deposit during the Eocene. Water solubility in mafic potassic magmas is rather high (e.g. ~ 10.7 wt. % at 500 MPa), and it increases with increasing pressure (Behrens et al., 2009).
Semantic Scholar extracted view of "Geology and genesis of the giant Beiya porphyry–skarn gold deposit, northwestern Yangtze Block, China" by Jun Deng et al. DOI: 10.1016/J.OREGEOREV.2015.02.015 Corpus ID: 128688347 Geology and genesis of …
Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China : A giant porphyry-skarn deposit. The third largest Au deposit in China with estimated 323 t of Au, by the 2.47 g/t concentration. The gold-copper-polymetallic ore bodies are hosted in Triassic ...
Funding information: 111 Project of the Ministry of Science and Technology, Grant/Award Number: BP0719021; MOST Special Fund from the State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Grant/Award Number: MSFGPMR201806; Fundamental Research Funds for the Central Universities, …
Revealing the mechanism of metal enrichment in upper crust is important for understanding the formation of giant porphyry Cusbnd Au system. Whereas, it remains unclear when and how this enrichment process operated in a collisional setting. In this study, abundant Neoproterozoic biotitite xenoliths, entrained by Eocene monzogranite porphyries, are …
Of the aforementioned deposits, the Beiya porphyry-skarn (>450 t of Au at 2.4 g/t Au; 0.6 Mt. of Cu at 0.48 wt% Cu) is the largest Au deposit in the Tibetan-Sanjiang orogenic belt (He et al., 2015).The ore field covers ∼18 km 2 and comprises four ore segments named Wangdongshan, Hongnitang, Bijiashan and Jingouba segments (Fig. 2 a).
The Beiya porphyry-skarn gold–polymetallic deposit at the northwestern part of the fragment may provide an important paleomagnetic result for understanding the deformation …
Beiya is the largest gold deposits in the "Sanjiang" Tethys–Himalaya orogenic belt. Bismuth minerals were recognized from both the skarn and porphyry mineralization at Beiya. …
The Beiya gold-polymetallic deposit, which is located in the middle of this belt, is the largest gold deposit in the region (reserve: N300 t gold), as well as significant amounts of Fe, Cu, Ag, Pb ...
#restaurant_beiya au 158 Av. du Président Wilson, 93200 Saint-Denis #cuisinetunisienne. restaurant Beiya · Original audio
Utilitas on Eesti suurim taastuvenergia tootja ning keskkonnasõbraliku kaugkütte ja -jahutuse pakkuja.
Taastuvenergia tasu maksjaks on kõik elektrienergia lõpptarbijad Eestis vastavalt nende tarbitud võrguteenuse mahule. Taastuvenergia tasu on eraldi reana ära toodud …
Taastuvenergia OÜ tegevusalaks on erinevas suuruses päikeseelektrijaamade projekteerimine ja paigaldus nii eraisikutele kui ettevõtetele. Tegutsesime juba ajal, mil …
Cenezoic Himalayan alkaline porphyries are abundant, but relatively minor at Beiya. These alkaline rocks include (quartz) syenite porphyry, biotite-K-feldspar porphyry and quartz-albite porphyry ...
The Jinshajiang-Ailaoshan porphyry-skarn Cu–Mo–Au metallogenic belt (Fig. 1) is the Sanjiang Tethyan metallogenic domain, and is considered to be one of the most important Cenozoic polymetallic belts in China, hosting numerous porphyry and skarn ore deposits (Mo et al., 1993, Hou et al., 2007, Zaw et al., 2007, Deng et al., 2014a, Deng et al., 2014b).
Our data suggest that the mineralized quartz-monzonite porphyry at the Beiya deposit is derived from partial melting of amphibole-rich lithologies in the upper part of the …
Üks on kindel: pikas perspektiivis see tõuseb seni, kuni ei ole välja töötatud uusi elektrienergia tootmistehnoloogiaid nagu näiteks külm tuumasüntees. Päikeseelektrijaamade tasuvusaja põhimõtteline struktuur on näidatud joonisel 1. paikesepaneelide-tasuvus.
The Beiya deposit is situated to the north of Dali in western Yunnan, China. Geologically, Beiya is located in the southern Sanjiang Tethys tectonic domain and to the east of the Jinshajiang suture (Fig. 1).Sanjiang Tethys is named after the three major rivers (Chi: Jiang) in the region, i.e., Jinshajiang, Lancangjiang, and Nujiang.
Taastuvenergia tasu on elektriarvel eraldi reana ära toodud, mis võimaldab tarbijatel täpselt näha, kui palju makstakse taastuvenergia ja tõhusa koostootmise režiimil toodetud …
Skarn is the main mineralization type in the Beiya deposit (Fig. 3, Fig. 4).KT52 occurring around the Wandongshan porphyry is the largest skarn ore body (Fig. 3) in the ore field and its proven reserves are 87.2 Mt of gold ore with a mean grade of 2.35 g/t, along with 90.27 Mt of iron ore with an average grade of 34% Fe, 111.8 Mt of copper ore …
Garnets from the Beiya gold-polymetallic skarn deposit have U-Pb ages of 36.4 ± 1.8, 34.8 ± 0.7 and 33.4 ± 1.0 Ma. • They record the fluid evolution history of the deposit from oxidized and acidic to oxidized and nearly-neutral conditions. • In the proximal skarn, the ...
The Beiya Au deposit is the largest Cenozoic Au deposit in the Jinshajiang-Ailaoshan porphyry metallogenic belt [14,15], with proven Au reserves of more than 377 t, and by-products of Cu, Fe, Ag ...
Five porphyry-skarn deposits, including Beiya, Machangqing, Habo, Tongchang, and Chang''anchong, have been discovered in the Ailaoshan-Red River ore belt (Deng et al., 2014, Deng et al., 2021, Hou et al., 2003). 2.2. Geology of the deposit There are three
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Hydrothermal monazite, coprecipitated with skarn gold, was identified at Beiya. • In situ SIMS Th-Pb dating on monazite yielded a robust age of 36.0 ± 0.5 Ma. • The quartz monzonite porphyry accounts for the skarn gold mineralization. • Skarn gold deposition was
The Beiya gold polymetallic ore deposit is one of the largest gold deposit in the world. Previous studies have suggested the formation of the Beiya deposit is closely related to the porphyritic alkaline intrusions. Different tectonic models have been proposed by geologists to explain the alkaline intrusions. However, no consensus has been reached and data for …
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