ultramafic in English
Variably serpentinized Devonian mafic and ultramafic intrusive rocks occur in the western and northern parts of the map area.
Use "ultramafic" in a sentence
1. Augite is common in gabbroic and ultramafic rocks
2. Augite is also found in ultramafic rocks and in …
3. Chromite occurs exclusively in ultramafic rocks such as dunite, peridotite, pyroxenite and serpentinite.
4. The rocks at the top of the seamount consist of serpentinized ultramafic harzburgite.
5. Native copper and copper sulphides occur in Mesoproterozoic Sibley Group sedimentary rocks, adjacent to ultramafic intrusions.
6. The behaviour of U during alteration of the ultramafic rocks differs from that of K and Li.
7. Occurrences of chrome, asbestos, talc and nickel are associated with ultramafic rocks within greenstone and related schist belts.
8. These ultramafic rocks are more strongly depleted than typical abyssal peridotites and their whole-rock and mineral chemistries suggest formation above a subduction zone.
9. Augite is a major rock forming mineral and can be found in igneous, ultramafic and some some high grade metamorphic rocks
10. The severe faulting and Brecciating of the ultramafic rocks have undergone high-grade alteration and changed the ophiolite to the colored melange
11. Most Archean greenstones are composed chiefly of subaqueous basalts (Figure 3.31) and komatiites (ultramafic volcanics) with minor amounts of felsic tuff and layered chert.
12. The fractal structure factors (FSF ) of spinel from ultramafic xenolith, harzburgite, dunite and chromite have been calculated using a new method presented by Shen (19.
13. This paper chooses the Yaogou hornblendite body, one of the two major ultramafic outcrops in the Laiyuan batholith, as a representative to carry out detailed research.
14. Deep ultramafic rocks, equivalent to abyssal peridotites (the least depleted rocks of the upper mantle, rich in magnesium), include fractured aquifers characterized by heterogeneity and anisotropy.
15. The Paleoarchean geodynamical evolution of the Bundelkhand Craton is discussed based on the geochemistry (major, trace and rare earth elements) and SmNd isotope systematic of mafic-ultramafic
16. Chromite is a cumulate mineral which is found in ultramafic portions of layered mafic intrusions or in serpentines and other metamorphic rocks derived from the alteration of ultrabasic rocks
17. ‘The prominent basement rocks of the Brumado area are Precambrian in age and consist dominantly of gneisses, schists, and Amphibolite.’ ‘A uniform, regionally concordant layer of Amphibolite with occasional ultramafic pods, termed the Sta Amphibolite, overlies the Sta Series.’