Ditemukan 1 dokumen yang sesuai dengan query
U. Hartono, author
High magnesian andesites are found in the Cretaceous Haruyan volcanics in Southeast Kalimantan. The rocks have Mg# 67 ? 69, but low concentrations of Ni (44 ? 60 ppm), Cr (37 ? 411 ppm) and, except two samples of 95UH23C and 96UH23, ratios of Sr/ Y are also low. Geochemical...
Bandung: Pusat Survai geologi Bandung, 2010
551 JSDG 20:5 (2010)
Artikel Jurnal Universitas Indonesia Library
