"OBSERVATION OF STRATIFIED EJECTA BLOCKS AT ARISTARCHUS CRATER."
Abstract by Zanetti et al., LPSC 42 (2011) Abstract 2262. (Freely available here: http://www.lpi.usra.edu/meetings/lpsc2011/pdf/2262.pdf)

LROC image (Aristarchus Crater): http://wms.lroc.asu.edu/lroc_browse/view/M120161915LE

Moon Zoo forum thread on striated blocks (Stripy boulder hunt!): http://forum.moonzoo.org/index.php?topic=527.msg8798#msg8798 ://http://forum.moonzoo.org/index.php?...sg8798#msg8798

Graphic showing a zoom down to a group of striated blocks near Aristarchus Crater:

Click to view attachment

(full res here: http://www.flickr.com/photos/31678681@N07/5559904744/)