This complex crater is eroded and estimated to be less than 320 million years. “the serpent mound structure is an 8 km impact crater in southern ohio. The serpent mound crater (centered at 39.0356° n, 83.4039° w) is the only verified impact crater in the state of ohio (fig.
Mike's Garage
It is a complex crater by type with evidence of shock metamorphism (dietz 1960;
The serpent mound impact crater site is a very unique site.
Within the lush ohio river valley lies the famous serpent mound effigy. It is an earthen mound aligned with the solstices, which rests on the ridge of a meteorite impact crater. The impact occurred in and affected sedimentary target rock ranging from cambrian to silurian (and possibly strata as young as mississippian) in age. Rocks exposed in the crater date from 438 million to 345 million years old.
Digital elevation model of the serpent mound area in southern ohio (north is up).
Serpent mound is situated in the southwest quadrant of the impact crater. Not only is it an astrobleme but the serpent mound effigy mound (where the crater gets its name) is located on a plateau inside the crater itself. Serpent mound snakes along a plateau above the serpent mound crater, an ancient meteor crater. The crater, measuring 8 to 14 km (5.0 miles to 8.7 miles) in.
The approximate crater center is shown with an orange +.
Milam and others, 2011) required for impact crater identification (french 1998). The maximum rim diameter of the crater is 8.7 miles (14 km), and it is estimated to be less than 320 million years old. It lies largely in adams county, with the northern part mostly in highland county, except for a small northeast part in pike county. F., the record of impact on earth:
At some time between 256 and 330 million years ago, when ohio and north america were part of one giant supercontinent called pangaea, and the appalachian mountains were still in their infancy, a giant asteroid or comet struck southern ohio.
The serpent mound crater or the serpent mound disturbance is a complex, eroded, meteorite crater in adams county, ohio. Geological society of america, special paper 190, pp. This ancient, spellbinding effigy has been the subject of controversy and fascination, but what is so often overlooked, is the fact that this seemingly serpentine mound is not one of a kind. Unfortunately, much has eroded away.
In all, about seven cubic miles of rock was smashed!
It’s on the site of an ancient meteor impact dating to around 300 million years ago; The maximum rim diameter of the crater is 8.7 miles (14 km), and it is estimated to be less than 320 million years old. Implications for a major cretaceous/tertiary impact event. 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 serpent mound crater or the serpent mound disturbance is a complex, eroded, meteorite crater in adams county, ohio.
The bedrock in the center of the crater has been thrust upwards to between 400 and 900 feet above its original position, while an outer ring of bedrock has dropped from at least 200 feet to as much as 800 feet. Reidel and others 1982) circular feature situated in southern o h io at the junction of adams, highland, and pike counties (fig. N 39° 2' w 83° 24' 8 < 320. The economic potential of terrestrial impact craters.
Serpent mound crater, also known as the serpent mound disturbance, is an eroded meteorite impact crater in ohio, united states.
, serpent mound sits within a large crater almost nine miles across.
