Hindered Settling hasn’t hosted a Where-on-Google-Earth in a long time, but WoGE #295 (hosted at Andiwhere’s) had such a range of colors and geological features that I couldn’t refrain from looking for it and, once found it, had to post the solution. So, after a short break in the game (busy week!) here is WoGE #296 — the rules of the game are nicely described over here. I invoke the Schott rule. Posting time is July 8, 2011, 14:00 UTC.
|click on image for larger view
It must be obvious by now that I am a lazy blogger – it looks like I settled down to a comfortable and boring average of one post per month.
But. I got back my WoGE-mojo yesterday, and bumped into Peter’s WOGE screenshot while gliding over the karstified limestones of the Dinarides in Montenegro.
So here is WoGE number 138. No rules. Have fun.
After the big bend of the Irrawaddy River around an anticline in northern Burma (at T. rex eats fish), here is another Google Earth challenge, following in the tradition of a previous WoGE posted on Hindered Settling.
Schott rule in effect. Post time: 12:05 pm CST, 11/23/2007.
As soon as I saw the stunning geology in John’s WoGE challenge, I started looking for the solution in the fold belts of Iran that have essentially zero vegetation. My search was successful, so here comes WoGE #69. Have fun.
North is up. Schott rule in effect. Post time: 10 pm CST, 11/01/2007.
After John’s Argentinian anticline and rivers, here is a new WoGE challenge. Slightly smaller field of view this time, but some textbook geology in it. North is up.
Schott rule in effect (post time 7:15 am CST, 10/22/07). I will be out of town this week, but comments are not moderated, so you don’t need me.
With some help from Wikipedia, I found that the image posted by Joe was from a volcanic field in western Sudan. So here comes WoGE #62.
Compared to the Peruvian meanders, this should be easy. Extra points for knowing the story that this place is a good example of — there is a specific journal article I am thinking about.
Schott rule in effect (post time 8:22 pm CST, 10-17-07).
Update: Brian has the answer; here is a bit more detail about this image. It’s the southernmost distributary of the Danube Delta in Romania, called the Sfantu Gheorghe channel. The geometry of the deposits is determined by (1) the river discharge, (2) the wave energy of the Black Sea, and (3) the southward oriented longshore transport. The asymmetry of the lobe is a function of the ratio between the net longshore transport rate at the mouth and river discharge. The longshore currents erode the beach/barrier bars on the northern side of the channel mouth. More details in this paper. This image also comes from Bhattacharya and Giosan (2003):
Black represents sand, gray is predominantly muddy deposits, and the white arrow at the river mouth shows the direction of longshore drift.
I figured out that the Google Earth image posted by Kim was cut by a famous fault, so I have a chance to post the next installment of Where on (Google) Earth. I don’t think this is easy – it is certainly not a famous geologic locality, and I know it would be tough for me. But I have been interested in erosional meanders for some time, so here you go. North is up.
Update — hint: it is in a forearc basin.