gneiss in English
Corundum occurs as an accessory mineral in some metamorphic rocks, such as mica schist, gneiss , and crystalline limestone.
Use "gneiss" in a sentence
1. Biotite in Biotite gneiss, plane polars Biotite in Biotite gneiss, crossed polars Biotite in Biotite granite, plane polars
2. Gneiss is called bastard granite.
3. Granitic gneiss is composed of quartz, plagioclase, Biotite, and microcline
4. The gneiss has been altered in to yellow-grey rock mass.
5. The shear zones developed in granite-gneisses, gneiss-phyllonites and mica-schists.
6. The types of mineralized rocks are fine grained biotite gneiss and silicalites.
7. As if an avantgarde painting, younger white rock intrudes in a tapestry of gneiss.
8. Tour Guide: It's carved into a bedrock of granite gneiss . It's also Kinmen's primary rock formation.
9. Park from granite, gneiss, the soil is a gray forest soil, fertile soil, vegetation growing well.
10. The granite Batholiths were emplaced more than 10 km subsurface into the overlying gneiss and sedimentary rocks
11. The remaining 20 to 25 percent comprises hornblende-Biotite gneiss, amphibolite with or without pyroxene, and pegmatite
12. Both the eclogite and the felsic gneiss have not undergone the same high - pressure metamorphic event.
13. Within the granodiorite gneiss, axes of broad open folds trend northwest–southeast as do the mineral lineations.
14. In weakly deformed gneiss, the mafic minerals (biotite, Augite and hornblende) occur as irregular clusters, locally separated from plagioclase by coronas of garnet
15. Acidic aggregate such as gneiss, granite and gritstone can not be wildly used in road construction because of the poor adhesion to asphalt.
16. This sample is a Biotite-cordierite-orthopyroxene gneiss from near Sioux Lookout, Ontario.The field of view, about 2 mm across, is dominated by olive-green-brown Biotite.
17. There is a uncomplete migmatite zone in the north of rock mass and there are lots of relic body of migmatization biotite plagioclase - gneiss around it.
18. Based on SEM observance, the methods of gas adsorption and mercury pression were used to test micro hole frame parameters of mylonite and high grade gneiss in this paper.
19. In the Cathodoluminescence(CL)images the zircons extracted from the dioritic gneiss show good crystal morphology and clear oscillatory zoning, as is the case of magmatic zircon.
20. Sediments at that time – sandstone, sand, clay and limestone – form a 200-metre-thick (660 ft) layer covering the Baltic Shield which consists of granite, gneiss and greenstone.
21. A DICTIONARY OF ARTS, MANUFACTURES AND MINES ANDREW URE Oaxaco contains the only Auriferous veins exploited as gold mines in Mexico; they traverse rocks of gneiss and mica slate.
22. The immature, juvenile layered gneiss in the Teton Range probably represents an accretionary prism or fore-arc basin onto which high-pressure rocks containing a mature sedimentary sequence were thrust at 2.67 Ga.
23. The Aiguilles Rouges ("Red Peaks") are a crystalline mountainous massif of the French Prealps, opposite the Mont Blanc Massif.The colour of the iron rich gneiss (metamorphique) mountains gives the range its name
24. Isotope dilution – thermal ionization mass spectrometry (ID–TIMS) and chemical abrasion – thermal ionization mass spectrometry (CA–TIMS) dating of magmatic zircon from amphibolites in the Hauser Lake Gneiss yield 1470–1430 Ma crystallization ages based on discordant data, with Cretaceous lower intercepts.
25. The Conquhar was a swift, clear-running river coursing over its bed of gneiss, well tucked-in on either side by green hayfields, where the grasshopper for ever "Burred," and the haymakers stopped with elbows on their rakes to watch the passer-by.
26. The Singhbhum granite Batholithic complex of eastern India is composed mainly of (a) the Older Metamorphic Group, tonalite (-trondhjemite) gneiss (OMTG, 3800 Ma old), whch intruded synkinematically into the enveloping Older Metamorphic Group (OMG, > 3800 Ma old) and (b) the Singhbhum granite (SBG) consisting of three distinct but closely related phases of at least twelve …
27. Texturally guided U–Pb spot analyses on partially metasomatised zircons from the alkali granite gneiss yield a cluster of 207Pb/206Pb ages at 1389 ± 8 Ma, interpreted as the time of igneous crystallization and four ages overlapping the time of syenite emplacement, interpreted as in situ, metasomatic growth.
28. The Kipawa Syenite Complex, a thin, folded sheet of amphibole syenite, quartz syenite and minor nepheline syenite, lies along a west-vergent thrust separating a lower slice comprising the Kikwissi granodiorite and biotite tonalite dated at 2717 +15–11 Ma, and unconformably overlying metasedimentary rocks from an overlying slice containing the Red Pine Chute orthogneiss, an alkali granite gneiss, and the Mattawa Quartzite.