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Geomorphology of Gale Crater, Rock on!
ngunn
post Sep 26 2012, 10:22 PM
Post #201


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I'd like a discussion thread about the geology detatched from the time limits of current MSL threads. We had a 'Geomorphology of Cape York' thread that attracted a lot of interesting posts. How about 'Geomorphology of Gale Crater'? I have one or two ideas but many more questions, and I'd like to post them in a longer-running thread away from the day to day imaging discussion. Any other takers?

For starters, does anybody have a contour map of this place like the one at Meridiani with 5m intervals?


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Gladstoner
post Nov 18 2022, 10:10 PM
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Possible northward extension of the Marker horizon (lavender):

Attached Image


The bench-forming sandstone appears to become less prominent to the south.

Point of contact of the (possible) marker horizon with the Greenheugh Pediment bed:

Attached Image


Attached Image
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- ngunn   Geomorphology of Gale Crater   Sep 26 2012, 10:22 PM
- - Don1   @Gerald: I recently came across another very inter...   Aug 27 2016, 08:07 AM
|- - Gerald   QUOTE (Don1 @ Aug 27 2016, 10:07 AM) In h...   Aug 27 2016, 12:49 PM
- - Don1   From the GSA meeting abstracts: "LONG-LIVED ...   Aug 27 2016, 08:35 AM
- - serpens   Re your comment on "TESTING A MECHANICAL MODE...   Aug 27 2016, 11:50 AM
- - Don1   @serpens....Yes, I was wondering about that when I...   Aug 27 2016, 08:52 PM
- - serpens   The Watkins, Grotzinger and Avouac paper in no way...   Aug 28 2016, 12:42 AM
- - MarkG   In reading this, please keep in mind the profound ...   Aug 28 2016, 11:49 PM
- - tty   "The mention of "oxic conditions" i...   Sep 1 2016, 06:57 PM
- - serpens   Probably photodissociation of CO2 and H2O. This r...   Sep 1 2016, 11:28 PM
- - tty   Yes. The process has actually been rather extensiv...   Sep 2 2016, 08:29 AM
- - PDP8E   Hematite? (aka Squyers' blueberries)   Dec 25 2016, 05:19 PM
|- - Steve5304   QUOTE (PDP8E @ Dec 25 2016, 06:19 PM) Hem...   Dec 28 2016, 04:00 AM
|- - HSchirmer   QUOTE (Steve5304 @ Dec 28 2016, 05:00 AM)...   Dec 28 2016, 06:29 PM
|- - Steve5304   QUOTE (HSchirmer @ Dec 28 2016, 07:29 PM)...   Dec 28 2016, 07:20 PM
- - serpens   After the exhaustive work to identify the provenan...   Dec 28 2016, 09:47 PM
|- - Steve5304   QUOTE (serpens @ Dec 28 2016, 10:47 PM) A...   Dec 29 2016, 12:27 AM
|- - HSchirmer   QUOTE (Steve5304 @ Dec 29 2016, 12:27 AM)...   Dec 29 2016, 12:55 AM
- - serpens   We have to climb around another hundred metres of ...   Dec 29 2016, 02:33 AM
|- - HSchirmer   QUOTE We have to climb around another hundred metr...   Dec 29 2016, 10:53 PM
- - Julius   Simply brilliant stuff!   Dec 29 2016, 07:52 AM
- - Greg Malone   To add to the mix of ideas about dessicated mudcra...   Dec 29 2016, 06:34 PM
|- - HSchirmer   QUOTE (Greg Malone @ Dec 29 2016, 06:34 P...   Jan 3 2017, 02:40 PM
- - serpens   Basically a closed system I expect. One needs to ...   Dec 31 2016, 02:06 AM
|- - dburt   QUOTE (serpens @ Dec 30 2016, 07:06 PM) ....   Dec 31 2016, 04:24 AM
|- - HSchirmer   QUOTE (serpens @ Dec 31 2016, 02:06 AM) B...   Dec 31 2016, 02:33 PM
|- - HSchirmer   QUOTE (serpens @ Dec 31 2016, 03:06 AM) B...   Jan 2 2017, 01:49 PM
- - Julius   Sulphates on Earth require oxygen to form either b...   Jan 12 2017, 09:41 PM
- - serpens   SAM has the capability to conduct isotopic analysi...   Jan 13 2017, 11:14 PM
|- - dburt   Julius, I agree with what Serpens said, but to try...   Jan 14 2017, 12:02 AM
- - Julius   The consensus up to now seems to have been that su...   Jun 7 2017, 02:41 AM
- - Gerald   My first thought about the silica enrichment has b...   Jun 7 2017, 06:38 AM
- - serpens   Julius, I think that Curiosity will need to get up...   Jun 7 2017, 08:40 AM
- - serpens   QUOTE (HSchirmer @ Nov 8 2018, 05:06 PM ...Given t...   Nov 9 2018, 12:14 AM
|- - HSchirmer   QUOTE (serpens @ Nov 9 2018, 01:14 AM) Th...   Nov 9 2018, 12:57 AM
- - serpens   I suspect that this would represent the maximum fi...   Nov 11 2018, 05:33 AM
|- - HSchirmer   Theory - Gale Crater was a bay when the Arabia Oce...   Nov 11 2018, 04:12 PM
- - HSchirmer   QUOTE I suspect that this would represent the maxi...   Nov 11 2018, 05:27 PM
- - serpens   The basal/basalt misinterpretation was explained, ...   Feb 4 2019, 05:53 AM
- - atomoid   As referenced in an article on sciencenews.org acc...   Feb 5 2019, 10:04 PM
- - serpens   The hardness of the Jura and upper Pettegrove Poin...   Feb 6 2019, 01:27 AM
- - serpens   Just in case anyone missed it, Emily provided an u...   Feb 9 2019, 04:08 AM
- - HSchirmer   Curious if a new theory about the Pathfinder site ...   Mar 17 2019, 03:22 PM
- - serpens   HSchirmer, could I perhaps suggest that you may li...   Jun 7 2019, 06:33 AM
|- - HSchirmer   Already received that admonition from a Mod. Curi...   Jun 9 2019, 10:14 PM
- - serpens   QUOTE (HSchirmer @ Jun 9 2019, 11:14 PM) ...   Jun 10 2019, 12:35 AM
- - jccwrt   In addition, acidic waters rapidly neutralize in b...   Jun 10 2019, 04:38 PM
|- - HSchirmer   QUOTE (jccwrt @ Jun 10 2019, 05:38 PM) In...   Jun 10 2019, 08:10 PM
- - serpens   There is no indication that the northern ocean int...   Jun 11 2019, 01:55 AM
|- - HSchirmer   QUOTE (serpens @ Jun 11 2019, 01:55 AM) (...   Jun 11 2019, 04:51 AM
- - serpens   The proportional change in phyllosilicate and amor...   Jun 12 2019, 02:47 AM
- - jccwrt   I'm not sure we can entirely discount a contri...   Jun 12 2019, 05:13 AM
|- - HSchirmer   QUOTE (jccwrt @ Jun 12 2019, 06:13 AM) An...   Jun 12 2019, 09:16 PM
- - ngunn   In such well informed company I have nothing to ad...   Jun 13 2019, 08:41 AM
|- - HSchirmer   QUOTE (ngunn @ Jun 13 2019, 09:41 AM) (sn...   Jun 13 2019, 02:15 PM
- - HSchirmer   Perhaps Gale crater was, for perhaps half-a-millio...   Jun 13 2019, 06:18 PM
- - serpens   Given the height of the Gale crater central peak t...   Jun 14 2019, 12:33 AM
|- - HSchirmer   Hypothesis - Vera Rubin Ridge's odd chemistry ...   Jun 14 2019, 02:45 PM
|- - HSchirmer   QUOTE (serpens @ Jun 14 2019, 01:33 AM) (...   Jun 16 2019, 11:18 PM
- - HSchirmer   Here's a thought- Ahuna Mons on Ceres seems t...   Jun 15 2019, 02:54 AM
- - serpens   On Earth it would be a reasonably simple matter to...   Jun 16 2019, 04:31 AM
- - serpens   I don't think that a pseudo Langmuir circulat...   Jun 18 2019, 01:30 AM
|- - HSchirmer   QUOTE (serpens @ Jun 18 2019, 02:30 AM) I...   Jun 18 2019, 04:33 PM
- - HSchirmer   Let me take a step back- I've been thinking a...   Jun 18 2019, 07:45 PM
- - serpens   Immediately following the Gale impact there would ...   Jun 23 2019, 03:08 AM
|- - HSchirmer   QUOTE (serpens @ Jun 23 2019, 04:08 AM) (...   Jun 23 2019, 09:13 AM
- - serpens   The introduction of the paper you link indicates t...   Jun 24 2019, 11:50 PM
- - ngunn   Maybe it's worth noting that we see absolutely...   Jun 25 2019, 08:24 AM
|- - serpens   In their supplementary materials for their paper ...   Jun 25 2019, 01:52 PM
|- - stevesliva   QUOTE (ngunn @ Jun 25 2019, 04:24 AM) May...   Jun 25 2019, 03:05 PM
- - serpens   Some interesting and thought provoking abstracts f...   Jul 4 2019, 11:41 PM
|- - HSchirmer   QUOTE (serpens @ Jul 5 2019, 12:41 AM) So...   Jul 8 2019, 01:47 AM
- - jccwrt   I'd expect most of the new science results wer...   Jul 8 2019, 03:01 AM
- - serpens   Exactly.   Jul 8 2019, 04:03 AM
- - PaulH51   This open source paper appears to address some of ...   May 17 2020, 10:45 AM
- - serpens   Thanks for that link. The conclusion that "t...   May 17 2020, 11:25 PM
- - PaulH51   Curiosity Rover Finds Clues to Chilly Ancient Mars...   May 20 2020, 01:48 AM
- - serpens   I don't feel there is any contradiction with t...   May 20 2020, 01:08 PM
- - serpens   An interesting abstract from LPSC 2021 which inclu...   Mar 1 2021, 04:35 AM
|- - HSchirmer   QUOTE (serpens @ Mar 1 2021, 04:35 AM) An...   Mar 1 2021, 05:05 PM
- - climber   Not sure it’s the right section… From lake to rive...   Sep 19 2022, 10:43 AM
- - serpens   Another possible indication of a northern ocean wi...   Oct 28 2022, 05:29 AM
- - Gladstoner   Trying to make sense of the geologic context of th...   Nov 17 2022, 10:29 PM
- - Gladstoner   Wider map view:   Nov 17 2022, 10:31 PM
- - Gladstoner   Possible northward extension of the Marker horizon...   Nov 18 2022, 10:10 PM
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