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Mineral paragenesis and zoning in the central Kentucky mineral district

Janice L. Jolly, Allen V. Heyl

Open publisher page 26 citations

Abstract

Fissure-filling and vein deposits in the region of the Lexington dome have a paragenesis that is constant throughout the district. Regional zoning shows a concentric pattern, with fluorite and dark sphalerite in the central region grading to barite, galena, and light-colored sphalerite in the outer zone. The deposits are spatially related to faults and fractures cutting the Lexington dome, and are attributed to low-temperature solutions from a deep-seated magmatic source.

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What this paper is about

Fissure-filling and vein deposits in the region of the Lexington dome have a paragenesis that is constant throughout the district. Regional zoning shows a concentric pattern, with fluorite and dark sphalerite in the central region grading to barite, galena, and light-colored sphalerite in the outer zone. The deposits are spatially related to faults and fractures cutting the Lexington dome, and are attributed to low-temperature solutions from a deep-seated magmatic source.

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Available abstract

Fissure-filling and vein deposits in the region of the Lexington dome have a paragenesis that is constant throughout the district. Regional zoning shows a concentric pattern, with fluorite and dark sphalerite in the central region grading to barite, galena, and light-colored sphalerite in the outer zone. The deposits are spatially related to faults and fractures cutting the Lexington dome, and are attributed to low-temperature solutions from a deep-seated magmatic source.

Key concepts: Paragenesis, Mineral, Zoning, Geology, Geochemistry, Mineral resource classification, Mining engineering, Metamorphic rock

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