Tag Archives: clay minerals

Opportunity field report, June 20, 2016

Sol 4410, June 20, 2016; Rover Field Report by Larry Crumpler, MER Science Team & New Mexico Museum of Natural History & Science: Opportunity is finishing up its activities here in Marathon Valley on the western rim of the 22 km-diameter … Continue reading

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Opportunity: Where we’re at

Sol 4379, May 19, 2016. The rover is slowly exploring the head of Marathon Valley, where the rocks show evidence (detected from orbit by CRISM) of alteration by water, which produced clay minerals. This Navcam view (click to enlarge) looks … Continue reading

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Opportunity report by A.J.S. Rayl, The Planetary Society

May 10, 2016: Opportunity Sleuths New Site for Smectites: After capturing a rare image of a dust devil whirling through the interior of Endeavour Crater at the end of March, Opportunity and the Mars Exploration Rovers (MER) team pressed on … Continue reading

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Opportunity field report, May 5, 2016

Sol 4365, May 5, 2016; Rover Field Report by Larry Crumpler, MER Science Team & New Mexico Museum of Natural History & Science: Opportunity  arrived at its current location on sol 4345 to begin investigation of an outcrop on the crest … Continue reading

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THEMIS: Nili Fossae – false color

THEMIS Image of the Day, April 27, 2016. Today’s false color image shows part of Nili Fossae. The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. … Continue reading

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Opportunity: Looking downslope

Sol 4338, April 7, 2016. After shooting the view upslope on Sol 4337, the Navcam continued its panorama from north (left side) through east to southeast (right). One frame from Sol 4337 (third from right) links the left and right … Continue reading

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Opportunity: Seeking clay minerals

Sols 4335-6, April 4-5, 2016. After driving back closer to the head of Marathon Valley, where slopes are not as steep, Opportunity’s Pancam has shot a series of filtered images to identify likely outcrop targets to examine closely. The warm-tinted … Continue reading

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Opportunity field report, April 1, 2016

Sol 4333, April 1, 2016; Rover Field Report by Larry Crumpler, MER Science Team & New Mexico Museum of Natural History & Science: On this sol here on the west rim of Endeavour crater Opportunity has climbed west and up Marathon … Continue reading

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Opportunity: Moving higher for firmer ground & clay minerals

Sol 4323, March 23, 2016. Opportunity is exploring Marathon Valley because orbital spectrometry found exposures of water-altered clay minerals in the valley. But with the ground proving too loose to allow Opportunity to reach its intended outcrop target at Pvt. … Continue reading

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More recent clay formation on Mars?

Clays and other minerals formed when rocks are altered by water have been found in multiple locations on Mars. It’s been assumed that these minerals probably formed in the earliest Martian epoch, over 3.7 billion years ago. But a new … Continue reading

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