description Bigach Overview
Bigach is an exposed impact crater in eastern Kazakhstan, listed in the Earth Impact Database and recognized as a crater produced by an extraterrestrial impact. The structure is about 8 kilometers in diameter and has an estimated age of 5 ± 3 million years. It is centered at approximately 48°34′N, 82°01′E and is classified in terrestrial impact-crater catalogs as an exposed structure.
help Bigach FAQ
Where is the Bigach crater?
Bigach is an exposed impact crater in eastern Kazakhstan. It is listed in the Earth Impact Database as a structure produced by an extraterrestrial impact.
How wide is the Bigach crater?
The Bigach structure is about 8 kilometres in diameter. Its exposed form makes it different from buried impact structures identified mainly through drilling or geophysical surveys.
How old is the Bigach impact?
Its estimated age is 5 plus or minus 3 million years. That range indicates substantial uncertainty around the central estimate.
What makes Bigach an impact crater rather than an ordinary geological basin?
Bigach is recognized in the Earth Impact Database as an extraterrestrial impact structure. Its classification is based on geological evidence used to distinguish impact features from ordinary erosion or tectonic basins.
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