Granitic mylonite

WebMylonite gneiss is a mylonitic rock that contains more than 30% porphyroclasts and that is significantly recrystallized ... Mylonitic textures are most easily seen, however, in … WebWith layer development and a more distributed strain in the mylonite, lower stresses in the quartz-rich layers resulted in a larger size of dynamically recrystallized quartz grains than that of the protomylonite. KW - Dynamic recrystallization. KW - Grain-size reduction. KW - Granitic mylonite. KW - Granular flow. KW - Yecheon shear zone

Crush-origin pseudotachylyte in granitic mylonites of …

WebApr 1, 2024 · The granitic mylonites show mylonitic fabrics, exhibiting various proportions of quartz + K-feldspar + plagioclase + biotite ± muscovite (Table 1). The type-2 granitic mylonites (including samples YD-061, YD-060 and YD-059) are located 228-189 m below the detachment surface and characterized by extensive development of microscale … Web开馆时间:周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 bind was not declared in this scope https://omshantipaz.com

Journal of Structural Geology - uml.edu

WebOct 26, 2024 · The granitic mylonite appears to be less competent than the porphyroclastic mylonite, based on boudin shapes, discontinuity of layers, and higher-amplitude contacts when comparing between layers of similar thickness. The quartz-rich mylonite shows higher contact amplitudes than granitic mylonite in contact with the stronger rocks, in spite of ... WebMar 29, 2024 · The granitic mylonite and the undeformed granite also yielded zircon oxygen isotope ratios (δ 18 O VSMOW) of 7.74 ±0.37 ‰ and 5.74 ±0.17 ‰, which suggests that these rocks are derived from different magmas. Therefore, the timing of the mylonitization in the Funatsu Shear Zone is constrained to be at least 242.6–199.1 Ma, … WebGranitic mylonite in the Bindaban area. a Outcrop of granitic mylonite; note a stretching lineation is not obvious; b and c a microphotograph mosaic (crossed polarized light) … bind watch instructions

Journal of Structural Geology - uml.edu

Category:Granitic ultramylonite - ALEX STREKEISEN

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Granitic mylonite

Mylonite Definition & Meaning Dictionary.com

Webmylonite. However, their orientations are difficult to measure in the field. To the east are alternating layers of calcitic marble and more granitic mylonite outcrops (EG-56-07; … WebJun 16, 2016 · In this paper we present new zircon LA-ICP-MS U-Pb geochronological data from six syntectonic granitic mylonite and leucosomes samples from the ASRR shear …

Granitic mylonite

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WebJul 20, 2024 · For the present study, we collected three granitic mylonite samples from the Wushan area and three granitic gneiss samples from each of the Yuanlong and Xinyang areas. The Wushan granitic mylonite is located in the ductile shear zone of the Wushan ophiolite unit in the northwestern margin of the NQT (Figure 2a). The mylonite is located … WebNormal-Sense Mylonites in Granitic Rocks". Fault-related Rocks: A Photographic Atlas , edited by Arthur W. Snoke, Jan Tullis and Victoria R. Todd, Princeton: Princeton …

WebMar 27, 2002 · The granitic mylonite zone in the Cretaceous Ryoke metamorphic belt contains deformed amphibolites as thin layers. The amphibolite layers do not exhibit … WebDec 28, 2024 · Sample SLP1702 (39° 9 ′ 46.6 ″ N, 122° 3 ′ 35.8 ″ E) was collected from Dalijia Village, which is a folded light-gray granitic dike intruded into mylonite (Figure 6(a)). The hinge of the fold is nearly parallel to the lineations, indicating the characteristics of “a” type fold [60, 61]. The dikes cut the foliations.

WebMar 27, 2002 · The granitic mylonite zone in the Cretaceous Ryoke metamorphic belt contains deformed amphibolites as thin layers. The amphibolite layers do not exhibit pinch‐and‐swell or boudinage structures, even when contained in a high‐strain granitic mylonite. This mode of occurrence suggests that they were deformed as much as the … WebMar 29, 2024 · The granitic mylonite and the undeformed granite also yielded zircon oxygen isotope ratios (δ 18 O VSMOW) of 7.74 ±0.37 ‰ and 5.74 ±0.17 ‰, which …

WebGeologic units containing Mylonite. Earth material. Tectonite. Mylonite. A compact, chert-like rock without cleavage, but with a streaky or banded structure, produced by the extreme …

WebWe present a detailed petrological, structural, and geochronological study of the mylonitic Ryoke metamorphic rocks within the granitic mylonite (Kashio mylonite) and Sanbagawa metamorphic rocks ... cythia toursWebUnazuki granites and the granitic mylonite of the Katakaigawa group show relatively high Na 2 O con- tents (3.56-4.60 wt.%) and relatively low molar ratios of Al 2 O 3 /(Na 2 O + K 2 O + CaO) (0. ... cy thicket\u0027sWebMar 1, 2024 · The fresh, fine-grained granitic mylonite samples used as the experimental material in this study were collected from the Jinzhou detachment fault in eastern … cythilyaWebFeb 9, 2012 · The second group is conspicuous in the granitic rocks, the structureless cataclasite being 100–200 ft thick, and the zone of brecciated and mortared granite a … bindweed control in grassWebA new U–Pb dating and oxygen isotope analysis of zircons collected from a granitic mylonite and an undeformed granite in the Kamioka area, in the Hida Belt of southwest Japan, was conducted using a sensitive high-resolution ion microprobe (SHRIMP) to restrict the timing of the mylonitization in the Funatsu Shear Zone, which is situated on the ... bindweed mites coloradoWebFeb 9, 2012 · The second group is conspicuous in the granitic rocks, the structureless cataclasite being 100–200 ft thick, and the zone of brecciated and mortared granite a mile or more in width, The mylonite group is characterised by fluxion banding and forms a belt 1,000–2,500 ft wide, largely within the granite. ... The age of formation of the ... bindweed control in cottonWebJul 1, 2024 · (a–b) Mylonitic amphibolite is interbedded with granitic mylonite, both of them show identical foliation and lineation. Fig. 2(b) is a close view of (a). (c) A-type fold with a hinge plunging to 320°. (d) Quartz ribbons consist of elongated quartz. (e) Lenses-shaped deformed layers form the S-C fabrics, indicating a shear sense of top-to ... bind weather