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About this Attention Score

  • In the top 5% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (99th percentile)
  • High Attention Score compared to outputs of the same age and source (98th percentile)

Mentioned by

47 news outlets
8 blogs
1 policy source
67 tweeters
15 Wikipedia pages
2 Google+ users
1 video uploader


471 Dimensions

Readers on

348 Mendeley
2 CiteULike
Deposition, exhumation, and paleoclimate of an ancient lake deposit, Gale crater, Mars
Published in
Science, October 2015
DOI 10.1126/science.aac7575
Pubmed ID

J. P. Grotzinger, S. Gupta, M. C. Malin, D. M. Rubin, J. Schieber, K. Siebach, D. Y. Sumner, K. M. Stack, A. R. Vasavada, R. E. Arvidson, F. Calef, L. Edgar, W. F. Fischer, J. A. Grant, J. Griffes, L. C. Kah, M. P. Lamb, K. W. Lewis, N. Mangold, M. E. Minitti, M. Palucis, M. Rice, R. M. E. Williams, R. A. Yingst, D. Blake, D. Blaney, P. Conrad, J. Crisp, W. E. Dietrich, G. Dromart, K. S. Edgett, R. C. Ewing, R. Gellert, J. A. Hurowitz, G. Kocurek, P. Mahaffy, M. J. McBride, S. M. McLennan, M. Mischna, D. Ming, R. Milliken, H. Newsom, D. Oehler, T. J. Parker, D. Vaniman, R. C. Wiens, S. A. Wilson


The landforms of northern Gale crater on Mars expose thick sequences of sedimentary rocks. Based on images obtained by the Curiosity rover, we interpret these outcrops as evidence for past fluvial, deltaic, and lacustrine environments. Degradation of the crater wall and rim probably supplied these sediments, which advanced inward from the wall, infilling both the crater and an internal lake basin to a thickness of at least 75 meters. This intracrater lake system probably existed intermittently for thousands to millions of years, implying a relatively wet climate that supplied moisture to the crater rim and transported sediment via streams into the lake basin. The deposits in Gale crater were then exhumed, probably by wind-driven erosion, creating Aeolis Mons (Mount Sharp).

Twitter Demographics

The data shown below were collected from the profiles of 67 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 348 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 4 1%
Canada 2 <1%
Germany 1 <1%
Slovenia 1 <1%
United Kingdom 1 <1%
Japan 1 <1%
Estonia 1 <1%
Unknown 337 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 91 26%
Researcher 54 16%
Student > Master 51 15%
Student > Bachelor 38 11%
Student > Doctoral Student 14 4%
Other 48 14%
Unknown 52 15%
Readers by discipline Count As %
Earth and Planetary Sciences 194 56%
Physics and Astronomy 39 11%
Agricultural and Biological Sciences 14 4%
Biochemistry, Genetics and Molecular Biology 11 3%
Environmental Science 9 3%
Other 21 6%
Unknown 60 17%

Attention Score in Context

This research output has an Altmetric Attention Score of 482. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 05 February 2022.
All research outputs
of 23,294,050 outputs
Outputs from Science
of 78,378 outputs
Outputs of similar age
of 279,857 outputs
Outputs of similar age from Science
of 1,246 outputs
Altmetric has tracked 23,294,050 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 99th percentile: it's in the top 5% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 78,378 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 62.9. This one has done particularly well, scoring higher than 97% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 279,857 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 99% of its contemporaries.
We're also able to compare this research output to 1,246 others from the same source and published within six weeks on either side of this one. This one has done particularly well, scoring higher than 98% of its contemporaries.