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Larry Crumpler

Field Report From Mars: Sol 3378 - July 25, 2013

Posted by Larry Crumpler

26-07-2013 12:32 CDT

Topics: Opportunity, mission status, Mars Exploration Rovers, Mars

• About to finish last observations in the plains before arrival at the next mountain

• There is a short stop here to measure one last rock in the plains

• Launch occurred over 10 years ago

We are now only about 180 meters from the new mountain, Solander Point. We slowed down this week so that we could check out the rocks here where there is a strange hydration signature from orbital remote sensing. This is also an area that appears to have more large blocks in the HiRISE images, so we are checking out one of the blocks, "Black Shoulder," doing APXS and MI. Then on Friday, July 26 we will probably be on our way to the northeast edge of Solander Point. There, based on a team discussion we just had yesterday, we will sidle up to the contact between the mountain and the plains on the east side and move northwest to the very northern tip of Solander Point. There we will climb up onto the bench that characteristically outlines the base of the mountain. All sorts of geologically strange things appear to be converging there, so we will hopefully have time to hammer out the geology before beginning the Long Climb. Sometimes when you are in the field trying to understand something geologically complex, it pays to go to the area that is most complex. Sometimes not. We will see what we see here. This will be Opportunity's first mountain and the view from the ridge crest should be spectacular. But we are hoping that the rocks on the ridge crest will be spectacular, too.

Location of Opportunity as of sol 3379

NASA/JPL-Caltech/University of Arizona/Larry Crumpler

Location of Opportunity as of sol 3379

The location in the latest MRO/HiRISE color image. The green line shows more or less the route we hope to take to the base of Solander Point. Since it is only a couple of hundred meters away, we could be there is a couple of drives. Maybe by the end of next week. The label says "3374" but this is also roughly the location through 3379.

Opportunity Navcam mosaic, sol 3378


Opportunity Navcam mosaic, sol 3378

Latest Navcam mosaic. From the current location, this portion of the Navcam mosaic looking south along the interior of the crater rim gives some idea of the terrain. The view from here is, again, very familiar to any New Mexicans who have stopped at the Valles Grande overlook. Endeavour and Valles Calderas are both 20-plus kilometer diameter, one an impact crater and the other a volcanic caldera.

Opportunity's 3-meter drive leading up to sol 3378

NASA/JPL-Caltech/University of Arizona/Larry Crumpler

Opportunity's 3-meter drive leading up to sol 3378

The short 3 meter drive earlier this week. This is an overhead projection of the Navcam mosaic and shows the short drive that was done about Tuesday in order to reach the rock target "Black Shoulder."

Hazcam view of target


Hazcam view of target "Black Shoulder"

The "work volume." This view from the front hazcams shows the rock target that is being checked out before the final slog to the south. With luck, by the end of next week we will be plinking around the base of yonder mountain. "Plinking" is a geological term for wandering around with your hammer trying to get a handle on the local outcrops before plunging ahead with mapping and asking the rocks serious questions.

See other posts from July 2013


Or read more blog entries about: Opportunity, mission status, Mars Exploration Rovers, Mars


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