René Caovilla

Impact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OH

Description: Piece of "Impact" Breccia from the Serpent Mound Impact Structure / Crater - Adams County, Ohio. Comes in a labelled, acrylic display case. Measures approx. 3.75" length and 3.25" wide and 0.5" thick. The map photo and photo showing where the Breccia was found (last two photos) are not included in the sale but you can download them and print them off for your documentation. Located in the Adams-Highland-Pike tri-county area in southern Ohio is one of only 28 confirmed impact craters in the United States. Known as the Serpent Mound Impact Structure, this feature is about 9 miles in diameter and is the result of an impact by an asteroid or comet that struck Ohio between 256 and 330 million years ago. The structure is named after a prehistoric Native American effigy mound shaped like a snake found in the southwestern portion of the impact crater. For decades the nature of the Serpent Mound Impact Structure was disputed, owing to its geologic complexity. Early Ohio geologists interpreted it as a “sunken mountain.” Later, it was thought to be the site of an ancient volcanic eruption. However, modern advancements in technology have aided geologic studies of the area. Among other factors, the presence of zinc minerals and surface exposures of rocks normally found only in the subsurface in the area have played a key role in determining its origin as an impact site.Impact breccias are thought to be diagnostic of an impact event such as an asteroid or comet striking the Earth and are normally found at impact craters. Impact breccia, a type of impactite, forms during the process of impact cratering when large meteorites or comets impact with the Earth or other rocky planets or asteroids. Breccia of this type may be present on or beneath the floor of the crater, in the rim, or in the ejecta expelled beyond the crater. Impact breccia may be identified by its occurrence in or around a known impact crater, and/or an association with other products of impact cratering such as shatter cones, impact glass, shocked minerals, and chemical and isotopic evidence of contamination with extraterrestrial material (e.g., iridium and osmium anomalies). An example of an impact breccia is the Serpent Mound Impact Structure.

Price: 18 USD

Location: Hamilton, Ohio

End Time: 2024-10-27T21:32:11.000Z

Shipping Cost: 6.95 USD

Product Images

Impact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OHImpact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OHImpact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OHImpact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OHImpact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OHImpact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OHImpact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OHImpact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OHImpact Breccia from the Serpent Mound Impact Structure/Crater - Adams County, OH

Item Specifics

All returns accepted: ReturnsNotAccepted

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