— The Xinxing granitic pluton is a large batholith cropping out in southern South China with its long axis parallel to the regional NE–trending faults. We conduct the first comprehensive study of zircon laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) U–Pb chronology and trace element chemistry, rock-forming …

 — The Qinling orogenic belt is located in Central China (Fig. 1 a), bounded to the north by the Luonan-Luanchuan fault and to the south by the Mianlue-Bashan-Xiangguang fault.The Shangdan suture zone divides the Qinling orogenic belt into the NQ and the South Qinling orogen (SQ) (Fig. 1 b).This suture zone is characterized by a …

 — The petrochemical data indicate that the granite porphyry experienced losses in U, Be, F, Ba, Sr, Pb, Zr, Mo, Nb, Ta, and Hf during alteration. These results suggest that the past-magmatic hydrothermal fluids might be responsible for the mobilization of uranium form minerals in the granite porphyry.

The syenite is hypersolvus and contains a ferro-richteritic amphibole as the dominant femic mineral, whereas the most evolved granite is subsolvus and contains annite as the dominant femic mineral. ... ABSTRACT The Dutsen Wai and Ropp complexes are parts of the over 50 within-plate alkaline ring complexes in north-central Nigeria. These ...

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 — The counties of Cornwall and Devon, England, have several extensive exposures of parts of a large Variscan granite intrusion. Granites of several textural varieties have been worked extensively in the past at numerous quarries and used widely for dimension and ornamental stone and in major engineering works in the United Kingdom …

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 — Quick properties or characteristics. Name: Granite; Rock type: Igneous Origin: Intrusive Texture: Coarse-grained or phaneritic Colors: Mostly gray, red, pink, or white, but may have shades of green, blue, yellow, brown, or black. Chemical composition: Felsic Silica content: 70-77 wt. % Density: 2.63 to 2.75 g/cm 3 (164 -176 lbs. per cubic …

 — Based on their knowledge and experience, AMP engineers develop efficient and profitable solutions for the treatment of metallic minerals, which is globally accredited for the wide recognition they have among numerous firms in the mining sector. AMP provides effective solutions in the development of its projects with innovative systems for …

 — Rapakivi granite is characterized by its unique structure, which has important implications for tectonic settings, magmatic processes, and crust–mantle interactions. In this study, we conducted a combined analysis of the petrography, mineral chemistry, geochemistry, and zircon U–Pb dating and Lu–Hf isotopic compositions of the …

South China during the Neoproterozoic, and amalgamated with the NCC since the Early Paleozoic. Thus, our new data suggest that the Alxa Block is most likely a separated Precambrian terrane from the Western Block of the NCC. Key words: North China Craton, Alxa Block, Neoproterozoic, S-type granite, zircon Hf-O isotopes introduction

Granite is the most widespread of igneous rocks, underlying much of the continental crust. Granite is an intrusive igneous rock. Intrusive rocks form. ... Granites usually have a coarse texture (individual minerals are visible without magnification), because the magma cools slowly underground, allowing larger crystal growth.

 — The HFSE enrichment feature was inherited by granites and further enhanced by protracted crystal fractionation at low oxygen fugacity conditions to produce the TL aluminous A1-type granites but ...

 — The δ 7 Li values of Proterozoic metasedimentary rocks that are possible sources of the Harney Peak Granite range from −3.1 to +2.5 and overlap with post-Archean shales and the Harney Peak Granite. For the granite suite, there is no correlation between δ 7 Li and elements indicative of degrees of granite differentiation (SiO 2, Li, Rb, etc ...

 — The North Dabie zone is bounded by the Xiaotian–Mozitan Fault to the north, the Tan-Lu fault to the east, and the Wuhe–Shuihou shear zone to the south (Fig. 1).About 50% of the area is made up of granitic plutons, which intruded into amphibolite-facies to granulite-facies orthogneisses (including migmatite) with minor metabasites (eclogite …

 — The northern margin of the North China Craton (NCC) is characterized by widespread Late Paleozoic granites (Fig. 1), which contain significant information about tectonic evolution of North China and have attracted the attention of geologists for decades.Previous studies indicated that Middle to Late Permian A-type granites and …

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 — type. The I-type granites are characterised by medium- to high-K calc-alkaline metaluminous-weak peraluminous, and have biotite/amphibole as the main mafic minerals. They are derived from the partial melting of meta-igneous rocks (Chappell and White, 1992). Recent studies show that the formation mechanisms of I-type granites differ in

DOI: 10.1016/j.oregeorev.2023.105487 Corpus ID: 258602451; Contrasting Nb-Ta mineralization between the Mufushan and Lianyunshan granites, South China: Evidence from whole-rock and zircon geochemistry and geochronology

 — Trace elements such as Rb, Ba, Sr and Eu, that are concentrated in reactant minerals in the melting process, show considerable scatter within the granites. This is …

 — Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for future research directions and describes possible research applications.

 — Besides, the metasedimentary sequence associated with the S-type granites in the North Qinling unit contains abundant hydrous minerals such as biotite and …

 — Let's go on a trip to the beautiful state of North Carolina, where the world's best-kept secrets are waiting to dazzle us. From the majestic mountains to the charming coastal regions, it's a geological playground brimming with a kaleidoscope of rocks, minerals, and gems that'll leave you in awe.

 — It's primarily sourced from feldspar minerals in the granite. Alkali Metals: Granite contains significant amounts of alkali metals, particularly potassium (K2O) and sodium (Na2O), which ...

 — Papers in this volume report progresses in mineralogical, petrological, geochronological and geochemical studies of granites and related rocks, with tectonic …

Peraluminous granites of various ages in southwestern North America are distinctly different. They rarely contain cordierite (a mineral characteristic of LFB S-types), but …

 — The relationship between the mechanical properties and petrographic features of granites from the Utla area, north-west Pakistan, was studied. Three different textural varieties of granites (megacrystic coarse-grained, fine-grained and foliated coarse-grained) were collected. Following a comprehensive petrographic analysis, their uniaxial …

 — minerals that are present as minor constituents in rare-metal granites (RMG) and granitic rare-element pegmatites (REP). Significant potential exists as a by-product …

 — Semantic Scholar extracted view of "Whole-rock and zircon geochemistry of the Xiaoliugou granites, North Qilian Orogen (NW China): Implications for tectonic setting, magma evolution and W–Mo mineralization" by Tianwei Wang et al. ... Minerals. 2022; The Tuwu-Yandong porphyry Cu belt is located on the southern margin of the Dananhu …

The only current IM mining (exploitation) operations are for sand and aggregate (limestone, granite and basalt), gypsum and salt quarries, often carried out by local companies in an …