Comments on: The unbelievably rough and wind-swept surface of Mars’ Greenheugh pediment https://behindtheblack.com/behind-the-black/points-of-information/the-unbelievably-rough-and-wind-swept-surface-of-mars-greenheugh-pediment/ Wed, 23 Mar 2022 07:39:47 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: Jeff Wright https://behindtheblack.com/behind-the-black/points-of-information/the-unbelievably-rough-and-wind-swept-surface-of-mars-greenheugh-pediment/#comment-1301557 Wed, 23 Mar 2022 07:39:47 +0000 https://behindtheblack.com/?p=83378#comment-1301557 More on the NOLA twister that hit the Lower Ninth Ward-with footage from Brad Cheramie, Preston Trahan at Storyfull and Scot Pilie at twitter.
Brian Emfinger filmed a truck in Texas that drove away after being rolled. As per “Says You!” the term ‘weather’ is one of few words that can stand for polar opposite meanings:

“The scalloped pediment can weather any one Martian dust storm-but over deep time, the rock will weather away even in that rarified atmosphere.”

]]> By: Andi https://behindtheblack.com/behind-the-black/points-of-information/the-unbelievably-rough-and-wind-swept-surface-of-mars-greenheugh-pediment/#comment-1301403 Wed, 23 Mar 2022 03:44:45 +0000 https://behindtheblack.com/?p=83378#comment-1301403 Here’s hoping that the pediment doesn’t prove to be an impediment.

]]> By: Jeff Wright https://behindtheblack.com/behind-the-black/points-of-information/the-unbelievably-rough-and-wind-swept-surface-of-mars-greenheugh-pediment/#comment-1301321 Wed, 23 Mar 2022 01:19:01 +0000 https://behindtheblack.com/?p=83378#comment-1301321 Speaking of wind, tornadoes are on the ground in New Orleans…Stennis Space Center strike at 8:25 CDT. It is now 8:19 p.m. CDT!

]]> By: Greg the Geologist https://behindtheblack.com/behind-the-black/points-of-information/the-unbelievably-rough-and-wind-swept-surface-of-mars-greenheugh-pediment/#comment-1301153 Tue, 22 Mar 2022 21:28:14 +0000 https://behindtheblack.com/?p=83378#comment-1301153 Great image! Initial guess would be a comparison with some types of volcanic rock here, which breaks into regular shapes when it cools. Best-known example would be Devil’s Postpile in the Sierra Nevada near Mammoth, but not all volcanic flow units break into hexagonal shapes, and this may be an example of that.

]]>