Figure 13. Distribution of aluminum between the tetrahedral and octahedral sites of the clinopyroxene of the Mbaoussi dolerites according to the H2O content and the total pressure (from [33]). Experimental work on clinopyroxene by [34,35,36] at pressures of 5 kb, 9-13 kb, 18 kb and 27 kb. black square (group I dolerites), green sqaure (groupe II doleites)

From

Mineralogical Data on Doleritic Dykes Swarms of Mbaoussi (North-Ngaoundere, Cameroon, Central Africa)

Pierre Dogsaye DOURWE, Aminatou Mefire FAGNY, Lise Carole Atouba OKOMO, Atour Mey MAHAMAT, Jacques-Marie BARDINTZEFF, Oumarou Faarouk NKOUANDOU

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