Article: Zeolite occurrences in the Central Metasedimentary Belt of the Grenville Province, Ontario, Quebec and New York State.

The Grenville Geological Province of southeastern Canada and upstate New York has long been known as a source for fine specimens of medium-grade to high-grade metamorphic and skarn minerals, but not zeolites. Recent re-examination of many well-known older localities as well as several new localities has resulted in the discovery of 21 species of zeolites, a number of which occur in collector-quality specimens.

INTRODUCTION

In spite of a long history of mining and mineral specimen production, there are relatively few reports of zeolites in Grenvillian rocks. Willimott (1884) reported chabazite and natrolite from the Haldane Mine and stilbite from the ...

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