and here http://bit.ly/1URFT1D
"The results of this analysis, published recently in the journal Geology, reveal a chain of winding features over 600 miles long and half a mile deep buried beneath miles of ice." This discovery will be confirmed later in 2016, trumps the latest finding in 2013 of Greenland's Grand Canyon. Due to satellite sophistication, "the age of discovery is far from over."
The canyon is over twice the size of the USA's Grand Canyon. Hello Mother Earth!