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Showing results for tags 'man made'.
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I know this is a fossil site but i was hoping someone here may have came across something like this before and may have some info to pass on. i found this near fenton, mi near a old tree while tilling. It was a little over 20 inches deep. it is almost perfectly round very very smooth and heavy and extremely hard. When hit by my tiller it got no damage only damaged my tiller. The tiller left metalic marks on the stone. i have since used my different things to try to scratch it with no luck. everything i use just just damaged. the item weighs around 41.7 grams