| Pe-Piper, Georgia, Piper, David J.W., Papoutsa, Angeliki (2018) Mid Carboniferous lamprophyres, Cobequid Fault Zone, eastern Canada, linked to sodic granites, voluminous gabbro, and albitization. Lithos, 296. 316-331 doi:10.1016/j.lithos.2017.11.015 | Journal (article/letter/editorial) | 1994), volcanic rocks in the Magdalen Islands (La Flèche et al., 1998) and central New Brunswick (Fyffe...(~40%), with significant amounts of titanite, epidote and lesser fluorapatite (Fig. 2a), and rare pyrite...textures CE with it (Supplementary Data Fig. 1B-3). Epidote is found as euhedral to subhedral crystals showing...association with epidote. Fluorapatite may engulf, rim, or appear as patches on epidote. Pyrite replaces...albite, Mg-biotite, fluorapatite and some of the epidote are considered to be magmatic minerals. Sample | | | Journal (article/letter/editorial) | with flat REE patterns, (La/Sm)N ratios ranging from 0.54 to 1.07, and (La/Yb)N ratios from 0.94 to 2...of subduction zones, but LREE/HREE [(La/Sm)N 1.61 to 2.20; (La/Yb)N 5.07 to 8.81], Ti/Zr, and Ti/P...coefficients on the measurements ranged from 1.0% (La) to 5.2% (Ho). Sr and Nd isotopic analyses of selected...attempted, but Table 1 the absence of actinolite and epidote from mafic rocks otherwise containing abundant...6 1.1 12.9 1.1 215.69 483.3 12 92.8 17.4 5 – 48 La Ce Nd Sm Eu Tb Ho Yb Lu 14.8 34.7 23.9 6.62 1.82 | | | Journal (article/letter/editorial) | several discrimination diagrams (e.g., Sc–Th–Zr, Th–La– Sc, La/Sc vs. Ti/Zr and Fe2O3 + MgO vs. TiO2) on which...during deformation. Metabasites present in a small quarry near Szczerba castle form a ca. 3–4 m thick dyke...composed of amphibole and plagioclase, with minor epidote, zoisite, titanite, quartz, calcite, chlorite,...mainly composed of Mg-hornblende, plagioclase, epidote and quartz with minor apatite and ilmenite. Cores...abandoned quarry located on the left bank of the Bystrzyca river. Metabasites from this quarry are coarseto | | Sun, Bingke, Ruan, Banxiao, Lv, Xinbiao, Tuohan, Bieersen, Ratchford, Michael Edward (2020) Geochronology and geochemistry of the igneous rocks and ore-forming age in the Huangtan Au Cu deposit in the Kalatag district, Eastern Tianshan, NW China: Implications for petrogenesis, geodynamic setting, and mineralization. Lithos, 368. 105594pp. doi:10.1016/j.lithos.2020.105594 | Journal (article/letter/editorial) | and 439.2 ± 1.4 Ma, respectively, f determined by LA-ICP-MS U-Pb dating. Re-Os dating of pyrite from the...intermediate-acid pr volcanic rocks include chlorite, epidote, carbonation and phyllic alterations (Fig.5a, c...barite, Journal Pre-proof calcite, chlorite, epidote, pyrophyllite, and K-feldspar (Fig. 5c-f). 4. Sampling...with slight e- enrichment of light REE (LREE) ([La/Yb] N=2.42-6.03) and moderately negative-to-positive...displays relatively consistent LREE-enriched patterns ([La/Yb]N=2.90-5.26) with moderate negative Eu anomalies | | | Journal (article/letter/editorial) | (Benoit 1961; Laurin and Sharma 1975). Garnet and epidote may appear in appreciable quantities in some places...method at the same laboratory are reported in La Flèche, Camiré, and Jenner (1998). 424 ROCKS & MINERALS...REFERENCES Benoit, F. W. 1961. Rapport préliminaire sur la région de Condé, Comté de Roberval. Ministère des...ore mineralogy. 3rd ed. New York, NY: Wiley. La Flèche, M. R., G. Camiré, and G. A. Jenner. 1998. Geochemistry...58:548–71. Proulx, A. 2003. Métallogénie du niobium dans la carbonatite d’Oka, Quebec. MSc thesis. Quebec, Canada: | | | Journal (article/letter/editorial) | Ce/Yb ratios are 3.34–7.98; (La/Yb)N ratios range from 0.69 to 2.23; (La/Sm)N ratios of the rocks range...(including oxidised varieties), ‘iddingsite’, epidote, albite, calcite and titanite. The samples were...Y Sc Ni Cr V La Ce Nd Sm Eu Tb Ho Yb Lu Ti/P Ti/Zr Zr/TiO2 Nb/Y Nb/La Ce/Yb (La/Sm)N (La/Yb)N 49.03 1...around values typical of the depleted mantle (La Flèche et al. 1998). MORB-normalised spider diagrams...high-field-strength-element depletion and average Nb/La ratios 0.93 argue against any significant subduction-related | | Zheng, Jiahao, Chai, Fengmei, Feng, Wanyi, Yang, Fuquan, Shen, Ping (2018) Geochemistry and chronology of the early Paleozoic diorites and granites in the Huangtupo volcanogenic massive sulfide (VMS) deposit, Eastern Tianshan, NW China: Implications for petrogenesis and geodynamic setting. Lithos, 302. 455-466 doi:10.1016/j.lithos.2018.01.022 | Journal (article/letter/editorial) | setting of the northern part of Eastern Tianshan. RI LA-ICP-MS zircon U-Pb analyses suggest that the granites...grains from granites and diorites are shown in Fig. 4. LA-ICP-MS zircon U-Pb results are given in Supplementary...light rare earth element (LREE) enriched patterns ([La/Yb]N = 2.45 -9.18) with moderate negative to positive...have relatively coherent LREE enriched patterns ([La/Yb]N = 4.20 -4.94) with weakly negative Eu PT anomalies...well as depletions in Hf and Ta relative to Sm and La of the diorites AC (Figs.9c and d) indicate that | | Pandey, Ashutosh, Chalapathi Rao, N.V., Chakrabarti, Ramananda, Pankaj, Praveer, Pandit, Dinesh, Pandey, Rohit, Sahoo, Samarendra (2018) Post-collisional calc-alkaline lamprophyres from the Kadiri greenstone belt: Evidence for the Neoarchean convergence-related evolution of the Eastern Dharwar Craton and its schist belts. Lithos, 320. 105-117 doi:10.1016/j.lithos.2018.09.005 | Journal (article/letter/editorial) | phenocrysts, biotite as microphenocrysts and feldspar, epidote, titanite and apatite confined to the groundmass...calc-alkaline lamprophyres. Higher Ba/Nb and low Nb/La points to their derivation from an enriched lithospheric...Rb/Sr along with positive correlation between K/La and Rb/La reveals presence of metasomatic phlogopite in...rhyolite sample while Dey et al. (2014) obtained LA-ICP-MS U-Pb zircon ages of 2558±18 Ma, M 2523±39...crystallizing phase. The ED groundmass comprises of epidote, titanite and very minor amounts of quartz. PT | | Yuan, Lingling, Zhang, Xiaohui, Xue, Fuhong, Lu, Yinghuai, Zong, Keqing (2016) Late Permian high-Mg andesite and basalt association from northern Liaoning, North China: Insights into the final closure of the Paleo-Asian ocean and the orogen–craton boundary. Lithos, 258. 58-76 doi:10.1016/j.lithos.2016.04.024 | Journal (article/letter/editorial) | schist, schistose andesite, schistose dacite, epidote–actinolite schist, rhyolite, and phyllitic slate...been transformed into actinolite, while chlorite, epidote and calcite are typical alteration products. Basaltic...Clinopyroxenes commonly pseudomorphs biotite, epidote, carbonate, and iron oxides. The groundmass...the field of typical arc rocks on the diagram of (La/Yb)N vs. (Yb)N (Fig. 7a). They also show clear enrichment...points, SiO2, MgO, SC R Fe2O3, Al2O3, CaO, Ni, La, Ce, Nd, Th, U, Pb, Nb, Ta and Ti vary systematically | | Manikyamba, C., Pahari, Arijit, Santosh, M., Ray, Jyotisankar, Sindhuja, C.S., Subramanyam, K.S.V., Singh, Mutum Rajanikanta (2020) Mesoarchean gabbro-anorthosite complex from Singhbhum Craton, India. Lithos, 366. 105541pp. doi:10.1016/j.lithos.2020.105541 | Journal (article/letter/editorial) | to moderate fractionation with coherent patterns (La/Yb= 1.71-14.59), negative to e- positive Eu anomalies...were partly replaced Jo u by albite, zoisite, epidote and sericite in some samples, whereas some pyroxenes...and all the samples show good correlation between La, Th, Nb, Yb, and Zr (Fig. 5) reflecting that both...possibly indicating the fractionation of feldspar. The La/Y vs Y relationship is also Journal Pre-proof consistent...relative enrichment of LREE and MREE over HREE with (La/Yb)n=7.60-11.30 and ∑REE=55.46-162.71 ppm) having | | | Journal (article/letter/editorial) | collected from a large-scale commercial granite quarry in Abundant melanocratic enclaves (Fig. e- K-feldspar...The sample KG-6-1 was collected from an active quarry near Varappam. Migmatitic granodioritic gneiss...rocks. The sample was collected from a road-side quarry where foliated, biotite-rich, medium to coarse...KG-11-1) The sample KG-11-1 was collected from a rock quarry along the Krishnagiri-Kuppam Road, 1.5 km from...poorly to moderately fractionated REE patterns with (La/Yb) N ratios ranging from 1.69 to 16.76 and (Gd/Yb) | | Yuan, Lingling, Zhang, Xiaohui, Yang, Zhili, Lu, Yinghuai, Chen, Haihong (2017) Paleoproterozoic Alaskan-type ultramafic–mafic intrusions in the Zhongtiao mountain region, North China Craton: Petrogenesis and tectonic implications. Precambrian Research, 296. 39-61 doi:10.1016/j.precamres.2017.04.037 | Journal (article/letter/editorial) | has typically been partially altered 7 220 to epidote, with some relics featuring an andesine composition...exception of one or two outlying points, SiO2, MgO, Ba, La, Nd, 351 Th, Nb, Ta, Yb and Y vary systematically...leading to high La/Nb (1.6–9.1) and Zr/Nb 426 (10–25) but low Ce/Pb (0.9–17) and Th/La (0.05–0.32) ratios...the ZTM intrusions from MORB/OIB field in the La/Nb vs. La/Ba plot (Fig. 11a). 435 The variable Nd–Hf...including Ba/La and 456 Th/La (McCulloch and Gamble, 1991), Ta/La and Hf/Sm (La Flèche et al., 1998) | | Li, GuangMing, Cao, MingJian, Qin, KeZhang, Hollings, Pete, Evans, Noreen J., Seitmuratova, Eleonora Yusupovha (2016) Petrogenesis of ore-forming and pre/post-ore granitoids from the Kounrad, Borly and Sayak porphyry/skarn Cu deposits, Central Kazakhstan. Gondwana Research, 37. 408-425 doi:10.1016/j.gr.2015.10.005 | Journal (article/letter/editorial) | with high Sr (517.5-785.3 ppm), Sr/Y (50.60-79.26), (La/Yb)N (9.37-19.62) but low Y (6.94-11.54 ppm) and...molybdenite, bornite and chalcopyrite; a middle zone of epidote, actinolite, gold, emplectite, chalcopyrite and...Sr (517.5-785.3 ppm), Sr/Y (50.60-79.26) and IP (La/Yb)N (9.37-19.62) (Fig. 6c-d), indicating that these...process for these granitoids. NU On a plot of La versus La/Sm, partial melting and fractional crystallization...high Sr (517.5-785.3 ppm), Sr/Y (50.60-79.26) and (La/Yb)N (9.37-19.62), and weak SC R Eu anomalies (Eu/Eu* | | | Journal (article/letter/editorial) | Sorbonne Université, CNRS-INSU, Institut des Sciences de la Terre de Paris, ISTeP UMR 7193, F- NU 75005 Paris...approximate 0.5 mm in the garnet-absent amphibolite. Epidote is ubiquitous as a retrogression phase, CE rimming...oxide-rich layers contain abundant chlorite, mica and epidote. Corundum is observed in some of these layers <10... ACCEPTED MANUSCRIPT heavily retrogressed with epidote on its margins co-existing with white and dark...greater detail, with scapolite, Fe-Ti oxides, epidote and chlorite in varying but generally minor proportions | | Yang, T.N., Chen, J.L., Liang, M.J., Xin, D., Aghazadeh, M., Hou, Z.Q., Zhang, H.R. (2018) Two plutonic complexes of the Sanandaj-Sirjan magmatic-metamorphic belt record Jurassic to Early Cretaceous subduction of an old Neotethys beneath the Iran microplate. Gondwana Research, 62. 246-268 doi:10.1016/j.gr.2018.03.016 | Journal (article/letter/editorial) | southern segments, respectively, of the SSMB. Careful LA-ICP-MS U/Pb analyses of the magmatic zircons from... AC K-feldspar, biotite, minor muscovite and epidote. Dark to gray xenoliths are common in leucogranite...and accessary minerals such as zircon and D epidote. Besides, some leucogranites contain pervasive...photography and cathodoluminescence (CL) imaging. For LA–ICPMS U–Pb analysis, zircons from 17 samples were...laser–ablation inductively–coupled–plasma mass spectrometer (LA–ICP–MS) determination of U–Pb age was conducted at | | Wu, Song, Zheng, You-Ye, Sun, Xiang, Liu, Sheng-Ao, Geng, Rui-Rui, You, Zhi-Ming, Ouyang, Hai-Tao, Lei, Dong, Zhao, Zhong-Ying (2014) Origin of the Miocene porphyries and their mafic microgranular enclaves from Dabu porphyry Cu–Mo deposit, southern Tibet: implications for magma mixing/mingling and mineralization. International Geology Review, 56 (5) 571-595 doi:10.1080/00206814.2014.880074 | Journal (article/letter/editorial) | source region. The HMPs have high Sr/Y (88.2–135.7), La/Yb (25.0–31.9) ratios, and moderate Mg# (46.2–49...This alteration is characterized by chlorite and epidote, and lesser amounts of calcite, sericite, albite...indicate the locations of SHRIMP U–Pb analyses and LA–ICP–MS Hf analyses, respectively. SHRIMP U–Pb ages...by relative enrichment of light REEs, with high (La/Yb)N ratios (17.9–22.9) and without Eu anomalies...A/CNK Mg# Be Sc V Cr Co Ni Zn Ga Rb Sr Y Zr Nb Cs Ba La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Sample Table 3. | | Zheng, Rongguo, Li, Jinyi, Zhang, Jin, Xiao, Wenjiao, Wang, Qianjun (2020) Permian oceanic slab subduction in the southmost of Central Asian Orogenic Belt: Evidence from adakite and high-Mg diorite in the southern Beishan. Lithos, 358. 105406 doi:10.1016/j.lithos.2020.105406 | Journal (article/letter/editorial) | Y contents, coupled with high Sr/Y (99–120) and (La/Yb)N (41–66) oo values. The Xiaoxigong granites...K-feldspar f (10–15%), and minor biotite and epidote. Two samples were collected from the host granites...(LREEs) and the heavy REEs Pr (HREEs) with high (La/Yb)N values (41–66). They also show slight fractionations...in the SiO 2 vs. K 2 O plot (Fig. 7b). Group I (La/Yb)N = 2.49–2.79, Fig. 8a). In addition, they are...enrichments in LREEs in relative to MREEs and HREEs ((La/Sm)N = Pr lithophile elements (LILEs) and depleted | | Xue, Fei, Santosh, M., Tsunogae, Toshiaki, Yang, Fan, Zhou, Hongying (2020) The genesis of high Ba‐Sr adakitic rocks: Insights from an Early Cretaceous volcanic suite in the central North China Craton. Geological Journal, 55 (7). 5398-5416 doi:10.1002/gj.3720 | Journal (article/letter/editorial) | show typical adakitic features such as high Sr/Y and La/Yb ratios, as well as high Ba-Sr concentra- 6 Tianjin...et al., 2019). Magmatic rocks and high Sr/Y and La/Yb ratios (Defant & Drummond, 1990; Drum- with distinctive...are represen- and proposed that the high Sr/Y and La/Yb ratios of these rocks ted by the Archean Fuping...The hornblende phenocrysts are partly altered to epidote uncertainty ranging from 1% to 3%. and chlorite...Tianjin Center, China Geological Survey, using the LA- and powdered to a grain size less than 200 mesh | | | Journal (article/letter/editorial) | chondrite-normalized rare earth element (REE) patterns, with (La/ Yb)N rat ios of 15–18 and minor negative Eu ano...samples display weak concave-upward REE patterns, with (La/Sm)N of 5.0– 12 ACCEPTED MANUSCRIPT 6.7 and (Ho/Lu)N...moderate enrich ment of LREEs over HREEs , with (La/ Yb)N of 6–12 and negative Eu NU anomalies (δ Eu...et al., 2014). On the other hand, the elevated Ba/La, Sr/Th and moderate (Hf/Sm)N PT ratios in the Alatate...mineralogy (e.g., A ldanmaz et al., 2000). W ith La/ Sm of 4.5– 5.9 and Sm/ Yb of 4.1– 5.3, all mafic | | Wang, Yuejun, Zhang, Yuzhi, Qian, Xin, Wang, Yang, Cawood, Peter A., Gan, Chengshi, Senebouttalath, Vongpaseuth (2021) Early Paleozoic accretionary orogenesis in the northeastern Indochina and implications for the paleogeography of East Gondwana: constraints from igneous and sedimentary rocks. Lithos, 382. 105921pp. doi:10.1016/j.lithos.2020.105921 | Journal (article/letter/editorial) | Journal Pre-proof epidote (~5 %) and muscovite (0-5 %), with minor zircon, epidote, rutile and apatite...and depletion in HFSEs, with Journal Pre-proof (La/Yb)N=2.78-9.03 and (Gd/Yb)N=1.37-2.57, resembling...the Hokkaido (NE Japan) arc volcanics (Fig. 5a). Nb/La, Zr/Nb and Th/Nb range from 0.41 to 0.89, 6.38 to...field of high-mg andesite in Fig. 4a-c. They have (La/Yb)cn=5.59-12.6, (Gd/Yb)cn=1.45-2.69 and Eu/Eu* =0...1.75, re respectively (Fig. 4d-e). Group 3 has (La/Yb)cn=3.89-8.87, (Gd/Yb)cn=0.96-1.62 and lP Eu/Eu*=0 | | Tian, Yang, Wang, Wei, Wang, Ling-zhan, Li, Xiang, Xie, Guo-gang, Huang, Si-fang (2020) Age and petrogenesis of the Yingyangguan volcanic rocks: Implications on constraining the boundary between Yangtze and Cathaysia blocks, South China. Lithos, 376. 105775pp. doi:10.1016/j.lithos.2020.105775 | Journal (article/letter/editorial) | amalgamation history of the South China Block. The LA-ICP-MS zircon U\\Pb dating of andesitic and rhyolitic...characteristics (−12.4 to +6.8). High La/Ta, (Hf/Sm)N, Th/Yb and Th/La ratios underline derivation of the...in-situ zircon U\\Pb and Lu\\Hf isotopic analyses. 3.2. LA-ICP-MS zircon U\\Pb dating About 5–8 kg of each sample...group is dominated by slate, sericite phyllite, epidote-bearing sericite phyllite, chlorite quartz phyllite...data are presented in Supplementary Table S3. 4.2. LA-ICP-MS Zircon U\\Pb dating The zircon U\\Pb data | | Lin, Musen, Peng, Songbai, Jiang, Xingfu, Polat, Ali, Kusky, Timothy, Wang, Qing, Deng, Hao (2016) Geochemistry, petrogenesis and tectonic setting of Neoproterozoic mafic–ultramafic rocks from the western Jiangnan orogen, South China. Gondwana Research, 35. 338-356 doi:10.1016/j.gr.2015.05.015 | Journal (article/letter/editorial) | integrated field and geochemical studies including LA-ICP-MS zircon U–Pb dating, and whole-rock major and...then present detailed and systematic geochemical, LA-ICP-MS zircon U–Pb dating and Sm–Nd isotopic investigations...Ser, serpentine; Tlc, talc; Chl, chlorite; Ep, epidote; Op, opaques. texture. The major minerals include...of zircon grains were conducted synchronously by LA-ICP-MS at the State Key Laboratory of Geological...512118 ± 0.000014 (2σ, n = 9). Measurements of the La Jolla and SRM NBS987 standards during this course | | Zhang, Hongrui, Yang, Tiannan, Hou, Zengqian, Dai, Mengning, Hou, Kejun (2017) Permian back-arc basin basalts in the Yushu area: New constrain on the Paleo-Tethyan evolution of the north-central Tibet. Lithos, 286. 216-226 doi:10.1016/j.lithos.2017.06.012 | Journal (article/letter/editorial) | Alteration minerals include serpentine, talc, and epidote. Ten basaltic samples were collected from the middle...negative Nb and Ta anomalies (Fig. 5b), with (Nb/La)PM values of 0.36–0.44 and (Nb/ Th)PM values of 0...are relatively enriched in light REE (LREE), with (La/Yb)N values of 1.87–3.00 (subscript N stands for...H2O-bearing minerals include serpentine, talc, and epidote, which are the products of alteration. Therefore...Zhimenda basalt lavas have relatively constant Nb/La (0.37–0.46) and Zr/Nb (25.39–26.62) values (Fig. | | Mohebi, Aida, Sepidbar, Fatemeh, Mirnejad, Hassan, Behzadi, Mehrdad (2020) Molybdenite Re–Os dating, petrology, and geochemistry of granitoids in the Bondar Hanza porphyry Cu deposit (
Urumieh‐Dokhtar
magmatic arc), Iran: Insight into petrogenesis, mineralization, and tectonic setting. Geological Journal, 55 (11). 7499-7516 doi:10.1002/gj.3874 | Journal (article/letter/editorial) | hydrothermal alteration minerals include clay, sericite, epidote, microgranite, microdiorites, and micro quartz...propylitic alteration with calcite, chlorite, epidote, and opaque minerals (Figures 5c, d)). 3 | ALTERATION...the appearance better than 5%. of chlorite, epidote, calcite, pyrite, Fe-oxides, rutile, and albite...(Figure 6g). The argillic plasma–mass spectrometer (LA–ICP–MS) with Resonetics S-155-LR alteration is composed...with dual external rotary pumps. The laser ablation (LA) instrument has a two-volume low-volume Laurin Technic | | Lang, Xinghai, Wang, Xuhui, Tang, Juxing, Deng, Yulin, Cui, Zhiwei, Yin, Qing, Xie, Fuwei (2018) Composition and age of Jurassic diabase dikes in the Xiongcun porphyry copper-gold district, southern margin of the Lhasa terrane, Tibet, China: Petrogenesis and tectonic setting. Geological Journal, 53 (5) 1973-1993 doi:10.1002/gj.3028 | Journal (article/letter/editorial) | ablation inductively coupled plasma mass spectrometry (LA‐ICP‐MS) along with Hf isotopic, whole‐rock elemental...replaced by secondary minerals such as chlorite, epidote, sericite, and 0.710252 ± 0.00004 (2σ) and 0.512105...000036 (2σ), LA‐ICP‐MS and Hf isotopic analyses. 3.3 3 ANALYTICAL METHOD | | Zircon LA‐ICP‐MS U–Pb...dating method Zircon U–Pb dating was performed using LA‐ICP‐MS at the State Key Laboratory of Continental...values were calculated for the age of 165.3 Ma (zircon LA‐ICP‐MS U–Pb age; Table 3). The measured 87 Sr/86Sr |
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