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ASSET RETIREMENT OBLIGATIONS
3 Months Ended
Oct. 31, 2017
Asset Retirement Obligation Disclosure [Abstract]  
Asset Retirement Obligation Disclosure [Text Block]
NOTE 10:
ASSET RETIREMENT OBLIGATIONS
 
The asset retirement obligations (“ARO”) relate to future remediation and decommissioning activities at our Palangana Mine, Hobson Processing Facility, Reno Creek Project and Alto Paraná Titanium Project.
 
Balance, July 31, 2017 $3,729,902 
Accretion  54,102 
Assumed from Reno Creek Acquisition  73,973 
Balance, October 31, 2017 $3,857,977 
 
The estimated amounts and timing of cash flows and assumptions used for ARO estimates are as follows:
 
 
 
October 31, 2017
 
 
July 31, 2017
 
Undiscounted amount of estimated cash flows
 
$
7,275,504
 
 
$
7,098,581
 
 
 
 
 
 
 
 
 
 
Payable in years
 
 
5.0 to 17
 
 
 
5.0 to 17
 
Inflation rate
 
 
1.37% to 2.14%
 
 
 
1.37% to 2.14%
 
Discount rate
 
 
5.48% to 6.40%
 
 
 
5.48% to 6.40%
 
 
The undiscounted amounts of estimated cash flows for the next five fiscal years and beyond are as follows:
 
Fiscal 2018 $- 
Fiscal 2019  - 
Fiscal 2020  - 
Fiscal 2021  - 
Fiscal 2022  148,391 
Remaining balance  7,127,113 
  $7,275,504