Glasford crater

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Glasford crater, Impact crater in Peoria County, Illinois, US.

The Glasford crater spans 4 kilometers in diameter and reaches a depth of 350 meters beneath the agricultural fields of southern Illinois.

Dating back 455 million years to the Ordovician period, this crater formed when a meteorite weighing between 50 to 90 million tons struck Earth.

The Central Illinois Light Company identified this geological formation while conducting drilling operations for underground natural gas storage purposes.

Researchers access the crater site near the intersection of Cowser and Kingston Mines roads, though the structure remains invisible from ground level.

Scientists discovered shatter cones and quartz deformations within the crater, confirming its creation through a meteoric impact equivalent to 20,000 nuclear explosions.

Location: Illinois

GPS coordinates: 40.60000,-89.78330

Latest update: March 10, 2025 13:04

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« Glasford crater: Impact crater in Peoria County, Illinois, US » is provided by Around Us (aroundus.com). Images and texts are derived from Wikimedia project under a Creative Commons license. You are allowed to copy, distribute, and modify copies of this page, under the conditions set by the license, as long as this note is clearly visible.

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