QYR Market Research Global Bentonite market research report | Page 4

QYResearch
• Most economic bentonite deposits are of Cretaceous age or
younger and associated with marine shale and marl (Wyoming),
calcareous sands and marls (Morocco), carbonaceous shales and
coal (South Africa), sandstone and conglomerate (Australia),
dacitic pyroclastics and tuffs (Milos), andesite (China) or
rhyolite and obsidian/perlite (China and Mozambique).
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