earthstory:Kaali impact craterWhen we think of the results of meteorites slamming into our planet’s
earthstory:Kaali impact craterWhen we think of the results of meteorites slamming into our planet’s surface we usually think big, from the relatively small 1.2km Barringer meteor crater in Arizona to the whopping 300km Vreedefort impact in South Africa. However, there are plenty of tiddlers dotting the world, including a group of 9 craters on Saaremaa island in Estonia that formed sometime between 7,600 and 4,000 years ago (based on studies of the crater lake sediments compared with estimated sedimentation rates and trying to date the layer containing the impact spherules of molten and frozen silica). Keep reading -- source link
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