File:PIA16791-MarsCuriosityRover-Composition-YellowknifeBayRocks.png

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Summary

Description
English: PIA16791: Elemental Compositions of 'Yellowknife Bay' Rocks

Target Name: Mars Mission: Mars Science Laboratory (MSL) Spacecraft: Curiosity Instrument: Alpha Particle X-ray Spectrometer (MSL) Product Size: 1883 x 1179 pixels (width x height) Produced By: JPL Full-Res TIFF: PIA16791.tif (6.663 MB) Full-Res JPEG: PIA16791.jpg (161.1 kB) Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original) Original Caption Released with Image: Researchers have used the Alpha Particle X-ray Spectrometer (APXS) instrument on the robotic arm of NASA's Mars rover Curiosity to determine elemental compositions of rock surfaces at several targets in the "Yellowknife Bay" area of Gale Crater. This graphic presents results from APXS, with the comparisons simplified across diverse elements by dividing the amount of each element measured in the rocks by the amount of the same element in a local soil, called "Portage."

Vein-rich rocks contain elevated abundances of sulfur and calcium. Other rock targets are remarkably uniform in composition and similar to the Portage soil, excepting high chlorine. Brushing by Curiosity's Dust Removal Tool reveals lower abundances of sulfur in the rock than in the dust coating that the brushing removed.

NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Mars Science Laboratory Project and the mission's Curiosity rover for NASA's Science Mission Directorate in Washington. The rover was designed and assembled at JPL, a division of the California Institute of Technology in Pasadena.

More information about Curiosity is online at http://www.nasa.gov/msl and http://mars.jpl.nasa.gov/msl/.
Date
Source http://photojournal.jpl.nasa.gov/catalog/PIA16791
Author NASA/JPL-Caltech/University of Guelph
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA16791.

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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  • The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]
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18 March 2013

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Date/TimeThumbnailDimensionsUserComment
current04:17, 6 December 20131,883 × 1,179 (201 KB)Ras67=={{int:filedesc}}== {{Information |description={{en|1=PIA16791: Elemental Compositions of 'Yellowknife Bay' Rocks Target Name: Mars Mission: Mars Science Laboratory (MSL) Spacecraft: Curiosity Instrument: Alpha Particle X-ray Spectrometer (MSL) P...
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