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Sunday, January 21, 2018

Choke-stone Blues on a Random Canyon Hike


Ever notice how the grass is always greener on the other side of the lake? After only one day at Catherine's Landing we surrendered to wanton roving eyes and a desire for new territory...someplace where the peaks are taller, mountains more rugged and mysterious, and canyons run wild and woolly into wilderness.

Our attempts to find Grapevine Canyon were feeble and unsuccessful. It looked simple, just cross the bridge over the Colorado River into Nevada, and hang a right. That first move landed us at a dead end park below Davis Dam. Nice, but not exactly what we were looking for. Back out to the highway, try again...

The next right was a dirt road that looked promising. Six to seven miles later another dead end, this time, though, at a nice beach with dispersed free camping right on water's edge! Cool. But having no kayaks or paddle boards we needed a wash to hike. Luckily we found one on the way out, only a stone's throw from the beach. 


We entered a posted wilderness area and hiked up a wash. It was obviously a road at one time, but now barricaded to vehicular traffic. The road headed toward a range of rather hostile looking volcanic mountains. Perfect. They had a burnt uber ragged crust that resembled cooled lava...all pocked and jagged like it would tear a chunk out of your leg if you brushed up against it. 





After a couple miles canyon walls began to close in. We tried to imagine how long we would last on a summer hike with temps of 110 to 115 degrees. Maybe a mile? 




We kept seeing these well defined seams of black rock, and couldn't figure out the cause or what they were. Some of it had a jade green tint and was quite beautiful. 


The more canyon walls close in, the more enthused we became. Not exactly a slot canyon, but cool nonetheless. Eventually we were faced with the inevitable choke-stone with sheer walls on both sides. A half-rotted rope dangled from a few rocks someone wedged between the choke-stone and canyon wall. About halfway up I lost faith...in both the rope, and what it was tied to.

Bobbie, confronted with the choke-stone...

Hmm...


We really wanted to keep going, so Bobbie decided to give it a try. There were slick places where the rock had worn smooth from water flow. It was difficult to get a toehold, especially with my size 14 shoes. Bobbie fared better. 

I tried to position myself to break her fall, should the rope fail or the precarious wedge of rocks pulled free.



Yep, that'l hold just fine

It's amazing, the situations that extraordinary effort and poor judgment can get you into. Bobbie made it up to the next level, alright, then wondered how in the hell she was going to get down. I told her to cross that bridge when she got to it...but in the meantime to go explore up-canyon and see if it warrants me risking a bad rope and poor tie-off. It didn't.

It took a while for Bobbie to figure a way down. In the end she had to trust the rope and rocks...something I wouldn't have done.

What is this stuff?


On the way out we decided to explore a side canyon and came across more black seams...wider than anything we had seen.



We found a shady spot to have a bite to eat before retracing our steps back to the car. Just another random hike in some random place we've never been before.

Stay tuned as next time we take another stab at finding Grapevine Canyon. Turns out it was only a couple miles from this hike, but oh so different.

Life is Good, even better when you keep moving!
Peace out,
mark and bobbie




10 comments:

  1. Mark I sure hope you and Bobbie are still hiking & exploring the West 10 years from now cause Im going to need this kind of excitement when I turn on the old lap top.
    Loved this tale and those mysterious dark bands in the rock and now to google this Grapevine Canyon..
    You are making an armchair explorer out of me.
    Stay safe & thirsty.

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  2. Let us all know what those mysterious dark bands are OK?

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  3. I'll be watching to see who identifies those bands.

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  4. Those are some trippy looking black seams!

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  5. Pretty sure that is a dike of igneous sub-aqueous basalt that may or may not be serpentine. Serpentine is slippery, and when squeezed up by pressure acts like a watermelon seed. (I stole this from one of my favorite geology books). These kinds of rocks show up often in volcanic country that has a lot of fault activity, that was once part of ancient seas. Bet Gaelyn could explain this better then me and know for sure what the rock might be.

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    Replies
    1. thanks for your input, Sue. as a soil scientist you should know about this kind of stuff :)).
      mark

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  6. Love these random finds! That black line is so strange! Thanks for standing by it for perspective. I didn't realize how wide it was. Bobbie is one brave (crazy) lady!!

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  7. love the geology... ready to head back out west next year...

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  8. Those black bands are so symmetrical. Very interesting.
    That photo of Bobbie climbing up the rope made my butt pucker. It must have been bad for you not to join her!

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