Sentence examples for ore facies from inspiring English sources
Orthocerids occur in reefs and other shallow marine settings, they even occur in quartzites and restricted environments of the Middle Ordovician iron ore facies of the Prague Basin [19], [63].
It typically overlies facies B or facies C (Fig. 5b d).
The facies concept is more or less observation-based.
The ores and the volcanic host rocks have metamorphosed to greenschist facies and were overprinted by a penetrative tectonic foliation, which led to the development of mylonitic, and cataclastic textures, recrystallization and remobilization.
The internal structure of the ore lenses is marked by the occurrence of massive, semi-massive and banded facies, along with stringer and brecciated zones and minor ore disseminations.
Thus, one can refer to a greenschist facies pelitic schist, an amphibolite facies calcsilicate rock, or a granulite facies garnet gneiss.
The facies is transitional, bridging the path to the blueschist facies or the greenschist facies.
These various "styles" are essentially facies of mineralization, each one being the product of a particular set of conditions that control the ore-forming processes and the consequent geometry and architecture (style) of the deposits.
See also geochemical facies.
The granulite facies is almost missing.
