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Many granite porphyries of ~36 Ma were exposed in the Beiya deposit, including … Expand. 4. Save. Garnet geochemistry of the giant Beiya gold–polymetallic deposit in SW China: Insights into fluid evolution during skarn formation. Xianqing Gao Xiaoming Sun Yu Fu Qiaofen Liu. Geology.
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Excel Machinery LTD. Amarillo, Texas 79120. Phone: (806) 855-7012. Video Chat. New Excel Cobra 1200 Portable Crushing Plant, Closed Circuit Design, Cedarapids 1313 Horizontal Shaft Impact Crusher, Simplicity 5' x 16' Two Deck Inclined Screen, Simplicity 45" x 18' Vibrating Gr... See More Details.
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The porphyries have a structure and composition which, from the analogy of the grinding-wheel, discussed later, would be expected to reveal mechanical properties of a most abrasive nature in crushing- machinery. ... It is definitely known to be strongly abrasive in crushers. Bonawe Granite, R.F. 827.—Of high crushing-strength and. moderately ...
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DOI: 10.1016/j.jseaes.2022.105274 Corpus ID: 248956965; Early Cretaceous Sn-bearing granite porphyries, A-type granites, and rhyolites in the Mikengshan–Qingxixiang–Yanbei area, South China: Petrogenesis and implications for ore mineralization
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In this study, geochronological and geochemical analyses were conducted on three samples of these granite porphyries (GPs) using laser ablation inductively coupled plasma mass spectrometry and ...
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A) ANK versus A/CNK plot showing the metaluminous to peraluminous nature of the Qoima Co quartz monzonites and granite porphyries. A = Al 2 O 3, N = Na 2 O, K = K 2 O, and C = CaO (all in molar ...
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The economic granite porphyries were derived from oxidized magmas. The monzogranite porphyries in Nandaping and Matouwan prospects have relatively weak potential to form Cu–Au mineralization.
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Zircon U-Pb dating indicated that the granite porphyry and other felsic porphyries in the Jiama deposit mainly formed during the 15–16 Ma magmatic pulse events. The formation age of felsic ...
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New LA-ICP-MS zircon U–Pb geochronology, whole-rock geochemistry and Hf isotopic data have been studied on the Taipingtun granite porphyry to determine its petrogenesis and …
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Geoscience. Granite. Early Cretaceous Sn-bearing granite porphyries, A-type granites, and rhyolites in the Mikengshan–Qingxixiang–Yanbei area, South China: …
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The Beiya giant porphyry Au deposit is the largest Cenozoic Au deposit in the Jinshajiang Cu–Mo–Au metallogenic belt. Many granite porphyries of ~36 Ma were exposed in the Beiya deposit, including the Wandongshan (WDS) and Hongnitang monzogranite porphyries (HNT–MPs) with economically important Au metal resources, …
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The garnet-bearing granite-porphyry dykes in the Yangshan gold belt,Gansu Province,are peraluminum granitoids with A/CNK ratios ranging 1.65～3.65.The granite-porphyries are rich in LILE and LREE,and depleted in Ba,St,Nb,Ta,P and Ti, showing similar trace element pattern to typical syn-collision granites.With ∑REE=54.35～124.01×10~(-6),(La ...
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Many granite porphyries of ~36 Ma were exposed in the Beiya deposit, including the Wandongshan (WDS) and Hongnitang monzogranite porphyries (HNT–MPs) with economically important Au …
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1. The Cu-mineralized granite porphyry contains a much higher magmatic fO 2 than the Au-mineralized porphyry. 2. Magmatic fO 2 assemblages of the granite porphyry. 3. The magmatic processes at deep levels lead to dierent fO 2 between Cu- and Au- mineralized granite porphyries. * Wenyan He [email protected] 1 State Key Laboratory of …
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Supplemental Text: Analytical methods. Table S1: LA-ICP-MS zircon U-Pb dating data for the Dongshanwan high-silica granite porphyries in the southern Great Xing'an Range. Table S2: Zircon Hf-O isotopic data for the Dongshanwan high-silica granite porphyries in the southern Great Xing'an Range. Table S3: Monazite major …
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Pulpally Stone Crushers. Pulpally stone crushers started in 2008 as a partnership firm. We are one of the leading material suppliers of stone products in Wayanad, Kerala State. We are into quarrying/contracting and processing as well. We have all the stone products except for P Sand.
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Petrogenesis and tectonic implications of the Xiachehe granite porphyries in the Wutai-Hengshan area (North China Craton): Constraints from geochemistry, zircon U-Pb geochronology and Hf isotopes. Feng Ye, Guochen Dong, Jianxun Ren, Yanick Brice Lemdjou, Yanick Blaise Ketchaya, and 2 more ...
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The Beiya giant porphyry Au deposit is the largest Cenozoic Au deposit in the Jinshajiang Cu–Mo–Au metallogenic belt. Many granite porphyries of ~36 Ma were exposed in the Beiya deposit, including the Wandongshan (WDS) and Hongnitang monzogranite porphyries (HNT–MPs) with economically important Au metal resources, the …
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The NMQ III granite porphyries show similar elemental features to the DM granite porphyries, but have relatively high SiO2 (69.8–72.2 wt%) and low MgO (0.25–0.28 wt%) contents. Both of them ...
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The granite porphyries also have high contents of total alkalis (9.9–10.2 wt%) and Fe-numbers (0.87–0.90), and similar Sr–Nd–Hf–O isotopic compositions as the biotite monzogranites, but have higher SiO 2 and lower TiO 2, MgO, TFe 2 O 3, P 2 O 5, CaO, and REE contents, and larger negative Eu anomalies. These features suggest that …
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The Gaofeng granite porphyries (35–33 Ma) collected in this study, owning similar petrological and mineralogical features to those of the Late Cretaceous ones, …
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A world-class Sn province in South China contains granite- and porphyry-related Sn deposits. In this paper, we investigate the source of Sn, based on a study of Early Cretaceous (145–134 Ma) ore-barren granites and granite porphyries, ore-barren rhyolites, and Sn-bearing granite porphyries in the Mikengshan (MKS)–Qingxixiang …
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The Early Cretaceous Houyaoyu granite porphyries are located in the south margin of the North China Craton. Field observations, petrography, geochronology, major and trace elemental and Sr-Nd isotopic compositions are reported to elucidate the genesis of the Houyaoyu granite porphyries. SIMS zircon U-Pb analyses for the …
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The Jiemeng and Datongkeng granodioritic porphyries have SiO 2 contents in the range of 65.03–69.55 ... Late Mesozoic oxidized magma for porphyry Ag mineralization: A comparative study from mineralized and barren granite porphyries in the Lengshuikeng Ag-(Pb-Zn) deposit, South China. 2020, Journal of Asian Earth Sciences ...
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The molybdenum (Mo) mineralization, mainly hosted in granite porphyry, is considered to be granite-related. Zircon U–Pb dating of the granite porphyry yielded concordant ages of 160.81 ± 0.62 Ma, which is consistent with the weighted mean U–Pb age of 160.53 ± 0.65 Ma, indicating that the emplacement of granitic plutons occurred in …
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A total of 12 granite porphyries (including samples from MWNC-1 to MWNC-77, Table S1) and country rock sample (MWNC-79) were systematically collected from …
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The Lengshuikeng rhyolitic tuff, granite porphyry and syenogranite yielded zircon U–Pb ages of 161, 155 and 138 Ma, respectively. The Lengshuikeng granite porphyries belong to calc-alkaline series and show fractionated I-type affinities. The rhyolitic tuffs show almost similar characteristics as the granite porphyries.
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