Definition of Orthogneiss. Meaning of Orthogneiss. Synonyms of Orthogneiss

- such as garnet gneiss, biotite gneiss, albite gneiss, and so forth. Orthogneiss designates a gneiss derived from an igneous rock, and paragneiss is one...
- The Tres Piedras Orthogneiss is a pluton in northern New Mexico. It has a U-Pb radiometric age of 1693 Mya, placing it in the Statherian period. Though...
- Gneiss consists of a mixture of orthogneiss and biotite-rich paragneiss. On the south and southeast face of K2, the orthogneiss consists of a mixture of a...
- Banded gneiss with a **** of granite orthogneiss...
- foreland, an old sedimentary basin that hosts hydrocarbon reserves. Orthogneiss dated at 525 million years is known to underlie some of the oil wells...
- Undulose extinction of quartz in Orthogneiss...
- presence of a second homogeneous body of orthogneiss further east within the Akia terrane, the Taserssuaq Orthogneiss Complex, which formed at 2982 Ma and...
- protolith (para-, such as paraschist) or igneous protolith (ortho-, such as orthogneiss). When nothing is known about the protolith, the textural name is used...
- tonalite and granodiorite as the TTG (tonalite–trondhjemite–granodiorite) orthogneiss suite. Trondhjemite ****s also commonly form part of the sheeted ****...
- under cross-polarized light. Biotite (in brown) and muscovite in an orthogneiss thin section under plane-polarized light. Biotite in thin section under...