Jamtveit, "Epitaxial quartz inclusions in corundum from a sapphirine-garnet boudin, Bamble Sector, SE Norway: SiO2-Al2O3 miscibility at high P-T dry granulite facies
conditions," Journal of Metamorphic Geology, vol.
The rarity of this type of gold mineralization is partly related to the pervasive metamorphism (amphibolite to granulite facies
) that affected most of the volcano-sedimentary belts.
PT-development of granulite facies
rocks in southern Estonia.
For example, on the same page, the reader is introduced to something as basic as metamorphism and a few sentences later is expected to know about granulite facies
. One statement assumes almost no prior knowledge or geology and the other presumes a background in metamorphic petrology.
On the basis of geophysical and petrological studies, the Estonian basement can be divided into two major geological units--North Estonian amphibolite facies and South Estonian granulite facies
complexes, which are separated from each other by a tectonical boundary (Paldiski-Pskov shear zone) and include six petrological-structural zones: the Tallinn, Alutaguse, Johvi, West Estonian, Tapa, and South Estonian zones (Fig.
The paragenesis of serendibite in Johnsburg, New York, U.S.A.: An example of boron enrichment in the granulite facies
. In L.
Metamorphic characteristics of HP granulite facies
in the Namche Barwa region and its tectonic application.
On the basement surface map, the PPZ in its southeastern path divides the basement into areas of amphibolite and granulite facies
of metamorphism, in the NNE and SSW, respectively.
Grenvillian metamorphic grade in the Grenville Province is generally high, in the upper amphibolite and granulite facies
. Metamorphic events also vary spatially and temporally, and have been dated at ~1190 to 1160 Ma, ~1080 to 1020 Ma and ~1010 to 990 Ma in different parts of the province (e.g., Rivers, 1997).
These occur mainly within amphibolite to granulite facies
schists and gneisses.
Within Estonian basement, the rocks of high-grade amphibolite to granulite facies