Grade Control Nikel

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

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2Grade Control Nikel

CONTOH PROFIL DAERAH EKSPLORASI NIKELCONTOH PROFIL DAERAH EKSPLORASI NIKEL

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3Grade Control Nikel

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4Grade Control Nikel

CONTOH BEDROCK 1CONTOH BEDROCK 1

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5Grade Control Nikel

CONTOH BEDROCK 2CONTOH BEDROCK 2

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6Grade Control Nikel

CONTOH PELAPUKANCONTOH PELAPUKAN

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7Grade Control Nikel

ZONE GRADE TINGGIZONE GRADE TINGGI

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8Grade Control Nikel

GARNIERITE PADA RETAKANGARNIERITE PADA RETAKAN

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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

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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

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15Grade Control Nikel

CONTOH TIPE ORE 2CONTOH TIPE ORE 2

Training Center HARITA GROUP

16Grade Control Nikel

CONTOH TIPE ORE 3CONTOH TIPE ORE 3

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17Grade Control Nikel

CONTOH TIPE ORE (CONGLOMERATE)CONTOH TIPE ORE (CONGLOMERATE)

Training Center HARITA GROUP

18Grade Control Nikel

BRECCIA GRADE TINGGIBRECCIA GRADE TINGGI

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19Grade Control Nikel

BRECCIA GRADE SANGAT TINGGIBRECCIA GRADE SANGAT TINGGI

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20Grade Control Nikel

GARNIERITEGARNIERITE

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21Grade Control Nikel

SERPENTINESERPENTINE

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22Grade Control Nikel

CONTOH TIPE SILICA CONTOH TIPE SILICA

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23Grade Control Nikel

CONTOH TIPE SILICACONTOH TIPE SILICA

STRIPPING PROCESS

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24Grade Control Nikel

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25Grade Control Nikel

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26Grade Control Nikel

Training Center HARITA GROUP

27Grade Control Nikel

CONTROL LEVELCONTROL LEVEL

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28Grade Control Nikel

INDIKASI OREINDIKASI ORE

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29Grade Control Nikel

PELEBARAN OREPELEBARAN ORE

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30Grade Control Nikel

PEMBERSIHAN OVERBURDEN (OB)PEMBERSIHAN OVERBURDEN (OB)

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31Grade Control Nikel

INDIKASI OB DAN TOP OREINDIKASI OB DAN TOP ORE

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32Grade Control Nikel

STRIPPING DENGAN BACKHOESTRIPPING DENGAN BACKHOE

METODE PENAMBANGAN

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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

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SAMPLING ORE

39Grade Control Nikel

Training Center HARITA GROUP

Screen 2”Kantong Plastik

Shovel

Splitter

Keranjang

40Grade Control Nikel

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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

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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

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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