Mineral chemistry of some gabbroic rocks of the central Eastern Desert, Egypt
MF Ghoneim - Journal of African Earth Sciences (and the Middle East), 1989 - Elsevier
The mafic minerals of the two essential gabbroic rocks from the central Eastern Desert of
Egypt (Sid Metagabbros, MG, and Younger Gabbro, YG) have been subjected to EPMA.
There are distinct geochemical differences between the amphiboles of these two types. The
amphiboles of the YG show relatively high TiO 2, A1 2 O 3, Na 2 O, K 2 O and low SiO 2 and
Fe 2 O 3 than the MG. The YG have also (Na+ K)> 0.5 and A1 IV> 1.3. The amphiboles of the
MG are mainly magnesio-hornblende with subordinate actinolitic hornblende, whereas, the …
Egypt (Sid Metagabbros, MG, and Younger Gabbro, YG) have been subjected to EPMA.
There are distinct geochemical differences between the amphiboles of these two types. The
amphiboles of the YG show relatively high TiO 2, A1 2 O 3, Na 2 O, K 2 O and low SiO 2 and
Fe 2 O 3 than the MG. The YG have also (Na+ K)> 0.5 and A1 IV> 1.3. The amphiboles of the
MG are mainly magnesio-hornblende with subordinate actinolitic hornblende, whereas, the …
[引用][C] Mineral chemistry of some gabbroic rocks of the central Eastern Desert, Egypt
MF Ghoneim - Chemie der Erde, 1988 - pascal-francis.inist.fr
Mineral chemistry of some Gabbroic rocks of the Central Eastern Desert, Egypt … Mineral
chemistry of some Gabbroic rocks of the Central Eastern Desert, Egypt … Soil and rock
geochemistry …
chemistry of some Gabbroic rocks of the Central Eastern Desert, Egypt … Soil and rock
geochemistry …
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