Sandstorm Metals & Energy Ltd STTYF

some numbers on bracemac ore value

[Einherjar]

using 35% of 3000t/d    attributable 1050t/d

revised ore grades for 2013 
                                                                                        conservative prices                   commodity value
6.79% zinc                                         71t/d                            1600$/t                                        113000$/d
1.11% copper                                   11t/d                             6000$/t                                          66000$/d
32.98g/t silver                                   1050oz/d                      20$/oz                                          21000$/d
0.3g/t gold                                           11oz/d                      1200$/oz                                         13000$/d


base metal              $/d           179000            84% of production
precious metals     $/d             34000            16% of production


maybe 15mio of financing

SND   12.6mio$
SSL      2.4mio$

payback

SND  179000$/d             71days of attributable production
SSL     34000$/d             71days of attributable production



any failure in the numbers?

and i dont know the price for the concentrate ore dore bars or what ever they sell so used some base case numbers from the spot market