G-Resources updates Martabe mine resources, reserves statement

Friday, April 3 2015 - 03:16 AM WIB

By Romel S. Gurky

Hong Kong-listed G-Resources Group Limited unveiled Thursday an update of the mineral resources and ore reserves statement for its Martabe gold and Silver mine in North Sumatra Province.

G-Resources said in a statement that the mineral resources as per December 31, 2014 is estimated at 190 million tons at 1.2 g/t gold, 11 g/t silver, for contained metal of 7.4 million ounces of gold and 70 million ounces of silver.

The mineral resources are provided in table 1 below, and are reported in accordance with the 2012 Edition of the Australasian Code for the Reporting of Exploration Results, Mineral Resources and Ore Reserves.

Table 1: Martabe Mineral Resources

Deposit Category Tonnes Gold grade Silver grade Contained metal
(Mt) (g/t Au) (g/t Ag) Gold (Moz) Silver (Moz)
Purnama Measured 4.3 2.1 38 0.30 5.2
Indicated 61 1.6 19 3.1 37
Inferred 29 1.0 12 0.88 11
Total 93 1.4 18 4.2 53
Mine stockpiles Measured 2.5 1.1 10 0.09 0.75
Total 2.5 1.1 10 0.09 0.75
Ramba Joring Measured - - - - -
Indicated 34 1.0 4 1.1 4.5
Inferred 4.6 0.8 4 0.1 0.5
Total 38 1.0 4 1.2 5.0
Barani Measured - - - - -
Indicated 8.0 1.4 2.1 0.36 0.55
Inferred 0.23 0.83 1.6 0.01 0.01
Total 8.3 1.4 2.1 0.37 0.56
Tor Uluala Measured - - - - -
Indicated - - - - -
Inferred 32 0.9 8 0.9 7.8
Total 32 0.9 8 0.9 7.8
Horas Measured - - - - -
Indicated - - - - -
Inferred 16 0.8 2 0.4 0.9
Total 16 0.8 2 0.4 0.9
Uluala Hulu Measured - - - - -
Indicated 1.6 2.2 19 0.11 0.98
Inferred 2.9 0.76 2.9 0.07 0.27
Total 4.5 1.2 8.6 0.18 1.3
Combined Total 190 1.2 11 7.4 70

Meanwhile, the total G-Resources ore reserves as per December 31, 2014 is 42.2 million tons at 2.0 g/t gold and 20 g/t silver for a total metal content of 2.68 million ounces of gold and 27.2 million ounces of silver.

The ore reserves estimate is provided in table 2 below, and is reported in accordance with the 2012 Edition of the Australasian Code for the Reporting of Exploration Results, Mineral Resources and Ore Reserves.

Table 2: Ore Reserves

Deposit Category Tonnes

(mt)

Gold

Grade

(g/t Au)

Silver

Grade

(g/t Ag)

Contained

Gold

(koz)

Metal

Silver

(koz)

Purnama Proved 3.5 2.4 41 270 4,700
Purnama

Barani

Probable

Probable

27.5

3.5

2.0

2.0

23

2.6

1,800

230

20,700

300

Ramba Joring Probable 5.2 1.8 4.4 290 700
Purnama stockpile Proved 2.5 1.1 9.5 90 750
Total Ore Reserves Probable & Proved 42.2 2.0 20 2,680 27,200

Editing by Reiner Simanjuntak

Share this story

Tags:

Related News & Products