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Training Center
HARITA GROUP
GRADE CONTROL NIKEL
Grade Control Process FlowBlock Model
Mine Planning
Stripping
Mining
Confirm Ore type, Ni grade & Chemistry
Equipment selection
Mining method
Production Sampling
TOR Sampling
Screening
SSP Hauling
Belt cut Sampling
@500t SSP (±80Kg)
WOS Allocation based on
ore type and chemistry
MRAL
(Mine Rush Assay Lab)
Trommel
(4 x 78Kg SSP)
Rep. 2,000t SSP
Official
Lab
± 3Kg
± 77Kg
± 3Kg
Training Center HARITA GROUP
1Grade Control Nikel
Grade Control Terminology
• OB, Ore, BZ• Limonite, Saprolite, Bedrock
• Garnierite• Silica
• Serpentine• Low Grade Saprolite
Training Center HARITA GROUP
2Grade Control Nikel
CONTOH PROFIL DAERAH EKSPLORASI NIKELCONTOH PROFIL DAERAH EKSPLORASI NIKEL
Training Center HARITA GROUP
3Grade Control Nikel
Training Center HARITA GROUP
4Grade Control Nikel
CONTOH BEDROCK 1CONTOH BEDROCK 1
Training Center HARITA GROUP
5Grade Control Nikel
CONTOH BEDROCK 2CONTOH BEDROCK 2
Training Center HARITA GROUP
6Grade Control Nikel
CONTOH PELAPUKANCONTOH PELAPUKAN
Training Center HARITA GROUP
7Grade Control Nikel
ZONE GRADE TINGGIZONE GRADE TINGGI
Training Center HARITA GROUP
8Grade Control Nikel
GARNIERITE PADA RETAKANGARNIERITE PADA RETAKAN
Training Center HARITA GROUP
9Grade Control Nikel
CONTOH SINGKAPAN BATUANCONTOH SINGKAPAN BATUAN
UNSERPENTINISEDPERIDOTITE
LOW-MED SERPENTINISED
10Grade Control Nikel
CONTOH MEGASKOPIS BATUANCONTOH MEGASKOPIS BATUAN
Training Center HARITA GROUP
MED-HIGHSERPENTINISED
HIGHLY SERPENTINISED
HYBRID PURE
11Grade Control Nikel
CONTOH MEGASKOPIS BATUANCONTOH MEGASKOPIS BATUAN
Training Center HARITA GROUP
0% SERP
Warna terang Glassy & Crystalline
Warna gelapDull & amorphous
80% SERP80% SERP
12Grade Control Nikel
WARNA DAN ASPEK PADA REKAHAN BATUANWARNA DAN ASPEK PADA REKAHAN BATUAN
Training Center HARITA GROUP
50% Serpentine
50% Serpentine
0% Serpentine
0% Serpentine
10% Serpentine
10% Serpentine
80% Serpentine
80% Serpentine
13Grade Control Nikel
Training Center HARITA GROUP
Training Center HARITA GROUP
14Grade Control Nikel
CONTOH TIPE ORE 1CONTOH TIPE ORE 1
Training Center HARITA GROUP
15Grade Control Nikel
CONTOH TIPE ORE 2CONTOH TIPE ORE 2
Training Center HARITA GROUP
16Grade Control Nikel
CONTOH TIPE ORE 3CONTOH TIPE ORE 3
Training Center HARITA GROUP
17Grade Control Nikel
CONTOH TIPE ORE (CONGLOMERATE)CONTOH TIPE ORE (CONGLOMERATE)
Training Center HARITA GROUP
18Grade Control Nikel
BRECCIA GRADE TINGGIBRECCIA GRADE TINGGI
Training Center HARITA GROUP
19Grade Control Nikel
BRECCIA GRADE SANGAT TINGGIBRECCIA GRADE SANGAT TINGGI
Training Center HARITA GROUP
20Grade Control Nikel
GARNIERITEGARNIERITE
Training Center HARITA GROUP
21Grade Control Nikel
SERPENTINESERPENTINE
Training Center HARITA GROUP
22Grade Control Nikel
CONTOH TIPE SILICA CONTOH TIPE SILICA
Training Center HARITA GROUP
23Grade Control Nikel
CONTOH TIPE SILICACONTOH TIPE SILICA
STRIPPING PROCESS
Training Center HARITA GROUP
24Grade Control Nikel
Training Center HARITA GROUP
25Grade Control Nikel
Training Center HARITA GROUP
26Grade Control Nikel
Training Center HARITA GROUP
27Grade Control Nikel
CONTROL LEVELCONTROL LEVEL
Training Center HARITA GROUP
28Grade Control Nikel
INDIKASI OREINDIKASI ORE
Training Center HARITA GROUP
29Grade Control Nikel
PELEBARAN OREPELEBARAN ORE
Training Center HARITA GROUP
30Grade Control Nikel
PEMBERSIHAN OVERBURDEN (OB)PEMBERSIHAN OVERBURDEN (OB)
Training Center HARITA GROUP
31Grade Control Nikel
INDIKASI OB DAN TOP OREINDIKASI OB DAN TOP ORE
Training Center HARITA GROUP
32Grade Control Nikel
STRIPPING DENGAN BACKHOESTRIPPING DENGAN BACKHOE
METODE PENAMBANGAN
Training Center HARITA GROUP
33Grade Control Nikel
Training Center HARITA GROUP
34Grade Control Nikel
PROSES PENAMBANGAN (DOZER SHOVEL)PROSES PENAMBANGAN (DOZER SHOVEL)
35Grade Control Nikel
PROSES PENAMBANGAN (ORE DIMUAT KE TRUCK)PROSES PENAMBANGAN (ORE DIMUAT KE TRUCK)
Training Center HARITA GROUP
36Grade Control Nikel
PENAMBANGAN DENGAN DOZER + DIRECT DIGGINGPENAMBANGAN DENGAN DOZER + DIRECT DIGGING
Training Center HARITA GROUP
37Grade Control Nikel
PENAMBANGAN DENGAN DIRECT DIGGINGPENAMBANGAN DENGAN DIRECT DIGGING
Training Center HARITA GROUP
38Grade Control Nikel
PENAMBANGAN DENGAN DOZERPENAMBANGAN DENGAN DOZER
Training Center HARITA GROUP
SAMPLING ORE
39Grade Control Nikel
Training Center HARITA GROUP
Screen 2”Kantong Plastik
Shovel
Splitter
Keranjang
40Grade Control Nikel
Training Center HARITA GROUP
41Grade Control Nikel
Training Center HARITA GROUP
42Grade Control Nikel
Training Center HARITA GROUP
CONTO DI-SCREENING 2”CONTO DI-SCREENING 2”
43Grade Control Nikel
Training Center HARITA GROUP
QUARTERING CONTOQUARTERING CONTO
44Grade Control Nikel
Training Center HARITA GROUP
HOMOGENISASI CONTOHOMOGENISASI CONTO
45Grade Control Nikel
Training Center HARITA GROUP
FASE KE-2 QUARTERINGFASE KE-2 QUARTERING
46Grade Control Nikel
Training Center HARITA GROUP
CONTO DIMASUKKAN KE DALAM PLASTIKCONTO DIMASUKKAN KE DALAM PLASTIK
SCREENING STATION &
BELT CUT SAMPLING
47Grade Control Nikel
Training Center HARITA GROUP
48Grade Control Nikel
Training Center HARITA GROUP
SSPSSP
18” SCREEN18” SCREEN6” SCREEN6” SCREENCRUSHERCRUSHER
STACKERSTACKERDUMPING POINTDUMPING POINT
49Grade Control Nikel
Training Center HARITA GROUP
50Grade Control Nikel
Training Center HARITA GROUP
AUTOMATIC SAMPLERAUTOMATIC SAMPLER
51Grade Control Nikel
Training Center HARITA GROUP
BELT CUT AUTOMATIC SAMPLINGBELT CUT AUTOMATIC SAMPLING
52Grade Control Nikel
Training Center HARITA GROUP
SCREENING STATION SAMPLINGSCREENING STATION SAMPLING
53Grade Control Nikel
Training Center HARITA GROUP
SCREENING STATION SAMPLINGSCREENING STATION SAMPLING
54Grade Control Nikel
Training Center HARITA GROUP
SCREENING STATION SAMPLINGSCREENING STATION SAMPLING
55Grade Control Nikel
Training Center HARITA GROUP
SCREENING STATIONSCREENING STATION
56Grade Control Nikel
Training Center HARITA GROUP
SCREENING STATION & VIBRATING SCREENSCREENING STATION & VIBRATING SCREEN
57Grade Control Nikel
Training Center HARITA GROUP
BLENDING SLURRY AND SSPBLENDING SLURRY AND SSP
58Grade Control Nikel
Training Center HARITA GROUP
SLURRY UNTUK REKLAMASISLURRY UNTUK REKLAMASI
59Grade Control Nikel
Training Center HARITA GROUP
SLURRY UNTUK REKLAMASISLURRY UNTUK REKLAMASI
FASILITAS & PROSEDUR SAMPLING
60Grade Control Nikel
Training Center HARITA GROUP
61Grade Control Nikel
Training Center HARITA GROUP
62Grade Control Nikel
Training Center HARITA GROUP
63Grade Control Nikel
Training Center HARITA GROUP
64Grade Control Nikel
Training Center HARITA GROUP
65Grade Control Nikel
Training Center HARITA GROUP
66Grade Control Nikel
Training Center HARITA GROUP
MICROWAVE OVENMICROWAVE OVEN
67Grade Control Nikel
Training Center HARITA GROUP
PULVERIZERPULVERIZER
68Grade Control Nikel
Training Center HARITA GROUP
TROMMELTROMMEL
69Grade Control Nikel
Training Center HARITA GROUP
TROMMEL DENGAN AUTOMATIC BURNERTROMMEL DENGAN AUTOMATIC BURNER
70Grade Control Nikel
Training Center HARITA GROUP
SCREENINGSCREENING
BOTTOM ORE RECOVERY
71Grade Control Nikel
Training Center HARITA GROUP
72Grade Control Nikel
Training Center HARITA GROUP
73Grade Control Nikel
Training Center HARITA GROUP
BZBZOBOBOREORE
BZBZ
74Grade Control Nikel
Training Center HARITA GROUP
SILICASILICA
OREOREOREORE
75Grade Control Nikel
Training Center HARITA GROUP
SILICA POCKETSILICA POCKET
76Grade Control Nikel
Training Center HARITA GROUP
SILICA LAYERSILICA LAYER
77Grade Control Nikel
Training Center HARITA GROUP
REVEGETATIONREVEGETATION