What rock?

Artist: Sandy Vongries ;
Exposure Date: 2014:09:13 14:06:23;
Copyright: Pending ;
Make: NIKON CORPORATION;
Model: NIKON Df;
ExposureTime: 1/500 s;
FNumber: f/14;
ISOSpeedRatings: 800;
ExposureProgram: Normal program;
ExposureBiasValue: 0/6;
MeteringMode: CenterWeightedAverage;
Flash: Flash did not fire;
FocalLength: 31 mm;
FocalLengthIn35mmFilm: 31 mm;
Software: ViewNX 2.8 W;