Greg L Posted August 14, 2018 Share Posted August 14, 2018 Strange polished cortex spot on this one Quote Link to comment Share on other sites More sharing options...
Saul R W Posted August 14, 2018 Share Posted August 14, 2018 Howdy, Greg. I've been wondering where you've been. Looks like an outer layer either rotted off or was cracked off when two stones suffered impact in a creek bed. Quote Link to comment Share on other sites More sharing options...
Greg L Posted August 14, 2018 Author Share Posted August 14, 2018 I’ve calmed down but I can’t help checking in, you guys are all so darn smart. Who knew rocks could be so interesting. Could spend the rest of my life just learning about rocks and still never know it all. That’s cool. 1 Quote Link to comment Share on other sites More sharing options...
Saul R W Posted August 14, 2018 Share Posted August 14, 2018 10 minutes ago, Greg L said: Could spend the rest of my life just learning about rocks and still never know it all. That's true of all of us. There's no end to new knowledge once a fellow starts digging. Quote Link to comment Share on other sites More sharing options...
Bedrock Bob Posted August 14, 2018 Share Posted August 14, 2018 Can I take a crack at it? It looks like that rock was against another rock and had some chemistry. They kind of bonded over the years and cemented together. Then mechanical erosion broke them apart. That cement they created between them was a bit tougher than the host rock and burnished up. You are seeing the broken joint between this and another rock. That is what I would say caused that spot on your rock. 1 Quote Link to comment Share on other sites More sharing options...
Greg L Posted August 14, 2018 Author Share Posted August 14, 2018 I love it when the explanations are as fantastic as some guy made it that way. We will never know for sure I guess. Quote Link to comment Share on other sites More sharing options...
Greg L Posted August 14, 2018 Author Share Posted August 14, 2018 The guy who made the rock Quote Link to comment Share on other sites More sharing options...
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