Dec 21 (Reuters) - Atlas Iron Ltd (AGO) :
- Asx alert-atlas delivers positive results from Corunna Downs DFS-ago.ax
- Capital expenditure estimate of A$47m to A$53m to develop project
- C1 cost estimate in range of A$37 to A$43/WMT
- full cash cost estimate in range of A$49 to A$55/WMT