Curiosity Sol 283 Anomaly

Not sure what it is ... so I'm not sure what to call it ... lol

The object appears to be extended-out from the main rock and is casting a shadow ...

Cropped Image 1



Cropped Image 2 - Zoomed in



Inverted




Full Image



Link - http://mars.jpl.nasa.gov/msl-raw-images/msss/00283/mcam/0283ML1209001000E1_DXXX.jpg
Link - http://mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=0283ML1209001000E1_DXXX&s=283
Link - http://mars.jpl.nasa.gov/msl/multimedia/raw/?s=283&camera=MAST_


What is it ? Something created by erosion ?
Or ... Something growing or possibly fossilized ?

Comments ? Thoughts anyone ?





Here's a video I made featuring the anomaly ...