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Mars rover Curiosity spat out Portland cement.
Thursday, December 19, 2013 6:13
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Mars rover Curiosity spat out Portland cement:http://www.flickr.com/photos/fossil_lin/11449578425/in/photostream
Portland cement made on Earth:
http://www.flickr.com/photos/fossil_lin/11449730703/in/photostream/
Calcium & silicon , the two major elements in Portland cement, were detected in another “rock Ithaca”: http://mars.jpl.nasa.gov/msl/multimedia/images/?ImageID=5763
Images of “rock Ithaca”:
http://mars.jpl.nasa.gov/msl/multimedia/images/?ImageID=5762
http://mars.jpl.nasa.gov/msl/multimedia/images/?ImageID=5760
Read more at http://wretchfossil.blogspot.tw
