The Kondyor Massif is a perfectly circular geological shaping in Eastern Siberia, Russia, approximately 600 km west-to-southwest of Okhotsk, or practically 570 km south-east of Yakutsk. From space it would seem that an effect hole or the caldera of an extinct volcano, however Kondyor Massif is not, one or the other. It is the thing that geologists allude to as an “intrusion”.
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