Results: 1 - 5 of 5
Dec 31, 1970
Bulletin
… for the change in detrital composition of the sandstones with … of clastic carbonates. The heavy mineral assemblage is dominated by … clastic carbonates. The heavy mineral assemblage is a residual …
Dec 31, 1984
Bulletin
… analyzed for their petrographic composition and rank determination … liptinite, but inertinite and mineral atter were in the heavier … complex catalytic ole of mineral matter in coal, it was not …
Dec 31, 1968
Bulletin
… the chemical and mineralogical composition, and physical …
Dec 31, 1972
Bulletin
… extent by local variations in mineral composition, especially …
Dec 31, 1984
Bulletin
… to them a distinctive clay mineral composition that can be broadly …