tag:blogger.com,1999:blog-5192250381057989170.post1372228587527816767..comments2024-03-29T08:48:45.218-06:00Comments on In the Company of Plants and Rocks: Geo-challenge: two landforms, one riverHollishttp://www.blogger.com/profile/10788942181934895493noreply@blogger.comBlogger7125tag:blogger.com,1999:blog-5192250381057989170.post-2684551267609086152015-05-20T14:38:07.742-06:002015-05-20T14:38:07.742-06:00Answers added as an Update above.Answers added as an Update above.Hollishttps://www.blogger.com/profile/10788942181934895493noreply@blogger.comtag:blogger.com,1999:blog-5192250381057989170.post-13840390945616951582015-05-18T07:10:24.336-06:002015-05-18T07:10:24.336-06:00Yes! ... in both places the rivers are entrenched ...Yes! ... in both places the rivers are entrenched (see http://en.wikipedia.org/wiki/Entrenched_river) with spectacular entrenched or incised meanders. The rivers kept cutting down (didn't move) while the Colorado Plateau was gradually uplifted. Neat photo!Hollishttps://www.blogger.com/profile/10788942181934895493noreply@blogger.comtag:blogger.com,1999:blog-5192250381057989170.post-9509452348580265532015-05-17T11:37:51.113-06:002015-05-17T11:37:51.113-06:00When I saw this teaser from you I had no idea what...When I saw this teaser from you I had no idea what the answer was. I still don't, but the image stayed with me and today in one of our Sunday newspapers I saw what i thought was a very similar formation, Dead Horse Point in Utah. See the image here: http://yhoo.it/1HlPRmb I would be interested to know if the geology is broadly similar to your featured landscape.<br />All the best :)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-5192250381057989170.post-86494853740888392542015-05-16T20:10:45.402-06:002015-05-16T20:10:45.402-06:00Two out of three, and the third very close. See C...Two out of three, and the third very close. See Comments below. Thanks!Hollishttps://www.blogger.com/profile/10788942181934895493noreply@blogger.comtag:blogger.com,1999:blog-5192250381057989170.post-11218927117014207812015-05-16T20:09:40.782-06:002015-05-16T20:09:40.782-06:00Yep! San Juan cutting through Raplee Ridge (downs...Yep! San Juan cutting through Raplee Ridge (downstream from Comb Ridge) and a gooseneck further downstream.Hollishttps://www.blogger.com/profile/10788942181934895493noreply@blogger.comtag:blogger.com,1999:blog-5192250381057989170.post-33942112601022094522015-05-16T19:58:11.639-06:002015-05-16T19:58:11.639-06:00That is one of the goosenecks of the San Juan, but...That is one of the goosenecks of the San Juan, but the monocline is Raplee Ridge which is flexure which opposes Comb Ridge to the west.Lynn Davidhttps://www.blogger.com/profile/02885808956452761511noreply@blogger.comtag:blogger.com,1999:blog-5192250381057989170.post-1613567637188865302015-05-16T13:47:40.539-06:002015-05-16T13:47:40.539-06:00The upper one appears to be Comb Ridge, where the ...The upper one appears to be Comb Ridge, where the San Juan River has cut a water gap,and the lower one (which should be a dead give-away to most US geo types) is Goosenecks State Park, where the San Juan River has cut an exquisite series of incised meanders.Lockwoodhttps://www.blogger.com/profile/05960762797349483760noreply@blogger.com