Stromatolites and Ripple/Mud Patterns In Precambrian Rocks (Belt Supergroup) Kootenia Falls (MT) Age ~ 1,000 mya (1 Billion years old) (August 26, 2017) =========================== Stromatolites Ripple Patterns & Dried Mud (photos by KF7TBA & K7LWA) |
Posted by K7LWA's BLOG at 08-29-2017 12:00PT
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