40 replies to this topic

[Mighty Dodge Ram]

Another great TR...thank you! I committed to a DV Lite trip for another couple and ourselves, I’m going to try and include a couple of your sites.

[Casa Escarlata Robles Too]

Thanks Ski for the last episode of the great trip.

Once again the rock art you find is really great.

 

Frank

[Foy]

What a great explanation of the story in the rocks! Thanks Foy. In one of the driest places on earth we are looking at rock formed under water. Not only does it make me go imagining the the past but also consider what all this might look like in one or two million years in the future. We are riding on a very dynamic planet. Wow.

 

When the carbonates (limestones and dolostones) now exposed in Marble Canyon were deposited, they were deposited on a stable continental shelf bordering the western side of the North American craton. If I recall correctly, they are late Paleozoic--Carboniferous or Permian--so between 250 and 350 million years old.  A SWAG about the exact outcrop is that it may have been ripped up by a turbidity current (outflow from an underwater landslide).  The beds on the left side of the outcrop look to have been ripped up just a bit and the spaces immediately filled with lighter colored sand or silt.  On the right side of the outcrop there appears to be a greater degree of damage done to the soft sediment--looks like a carpet pushed up and rolled around and difficult to piece back together.

 

Yeah, the planet is dynamic to say the least. Sea levels have risen and fallen by tens to hundreds of meters hundreds of times, and climates have ranged from Snowball Earth to Hell on Earth over the last 4.5 billion years, all with zero influence from man. Methinks we're just along for the ride for the most part.

 

Foy 

[heinphoto]

The petroglyphs and habitation sites you found are quite spectacular. Thank you for the respect you always give to these special places!

-Scott

Edited by heinphoto, 15 March 2021 - 12:38 AM.

[goinoregon]

great report.  these finds of yours are incredible.  thx for taking the time to walk us through it, and giving the history and its space/place wherever..  

i spent a day on a great basin dry lake bed last week, and happened upon at least one obsidian tool, and who knows what with an agate type rock.

[ski3pin]

Another great TR...thank you! I committed to a DV Lite trip for another couple and ourselves, I’m going to try and include a couple of your sites.

 

 

Thanks Ski for the last episode of the great trip.

Once again the rock art you find is really great.

 

Frank

 

Thanks guys!

[ski3pin]

When the carbonates (limestones and dolostones) now exposed in Marble Canyon were deposited, they were deposited on a stable continental shelf bordering the western side of the North American craton. If I recall correctly, they are late Paleozoic--Carboniferous or Permian--so between 250 and 350 million years old.  A SWAG about the exact outcrop is that it may have been ripped up by a turbidity current (outflow from an underwater landslide).  The beds on the left side of the outcrop look to have been ripped up just a bit and the spaces immediately filled with lighter colored sand or silt.  On the right side of the outcrop there appears to be a greater degree of damage done to the soft sediment--looks like a carpet pushed up and rolled around and difficult to piece back together.

 

Yeah, the planet is dynamic to say the least. Sea levels have risen and fallen by tens to hundreds of meters hundreds of times, and climates have ranged from Snowball Earth to Hell on Earth over the last 4.5 billion years, all with zero influence from man. Methinks we're just along for the ride for the most part.

 

Foy 

 

Thanks again, Foy for your contributions to our geological knowledge!

[ski3pin]

The petroglyphs and habitation sites you found are quite spectacular. Thank you for the respect you always give to these special places!

-Scott

 

 

great report.  these finds of yours are incredible.  thx for taking the time to walk us through it, and giving the history and its space/place wherever..  

i spent a day on a great basin dry lake bed last week, and happened upon at least one obsidian tool, and who knows what with an agate type rock.

 

Thank you for the kind comments!

[ski3pin]

Thanks for another amazing TR.  It seems like the research that you two do prior to heading out almost always pays off.  Marble Canyon has long been a favorite of ours but now you have provided new inspiration for a return trip.  

 

Thanks Missing Link! This was the first trip ever where we had success with every search, and more! Research is the key along with dogged persistence. 

 

Taking research to the field can be an adventure in itself. In researching one site, online I found a long narrative about two people searching and their methods of covering an area. It was 6 pages long. I printed it out and brought the narrative along. I pulled it out when we reached their starting point. We sat down and I read it aloud so we could associate the narrative with the actual terrain. I believe the narrative was genuine and not a ruse, but it made no sense to us as to how these two tackled the terrain. Only a tiny bit was usable information - only because we had previously been in the area. The narrative ended up being an amusing little side story.

 

But, it all goes into the adventure. 

 

Thanks again, Richard! 

[Ronin]

Thanks for another great set of TRs. I admire your get-out-ed-ness!! It's always amazes me to see mud on those canyon walls 30 feet above. Makes a person think about getting caught up in even a small flood coming down those narrows!!