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Geomorphology of Gale Crater, Rock on!
ngunn
post Sep 26 2012, 10:22 PM
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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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serpens
post Dec 29 2016, 02:33 AM
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We have to climb around another hundred metres of Murray formation mudstone and sixty metres or more above that to the hematite ridge. Nicolas Steno's principle of lateral continuity holds that this strata would have originally covered Curiosity's current position, requiring significant water influence over a long period of time. As an aside, the more I look at the hematite ridge the more I wonder whether it could be an inverted bed of what was a reasonably well oxidised stream.
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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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