1. TUJUAN KULIAH :
• Dapat menentukan jenis-jenis endapan mineral dan membedakan
satu dengan yang lainnya di lapangan.
• Dapat menjelaskan pembentukan berbagai jenis endapan mineral .
• Dapat menerapkan pengetahuan tentang endapan mineral sesuai
dengan bidang keilmuan masing-masing.
JADWAL KULIAH :
• SELASA
: 09.00 – 11.00 WIB; R. 9027
• KAMIS
: 11.00 – 12.00 WIB; R. 9017 (sesuai kebutuhan)
PRAKTIKUM (Minggu 3 – 4 Pebruari)
EKSKURSI (disarankan ikut)

4. PENILAIAN :
• Absensi (5%, kehadiran minimal 75%)
• UTS (30%)
• UAS (30%)
• Praktikum (30%)
• Tugas & Kuis (5%)
REFERENSI :

21. USGS Regional Bouguer Gravity map. Source: X-Cal. The caption has the following
bullet points: "Major NW Structure, Alignment of Deposits, Periodicity of Deposits,
and Major Deposits at Structural Intersections."

22. USGS Regional Airborne Magnetic Survey. Source: X-Cal. The caption has the following
bullet points: : "Alignment of Intrusions, Deposits Near Intrusions."

23. Rock/Mineral
Magnetic Susceptibility
Rocks
Salt
0 – 0.001
Slate
0 – 0.002
Limestone
0.00001 – 0.0001
Granulite
0.0001 – 0.05
Rhyolite
0.00025 – 0.001
Greenstone
0.0005 – 0.001
Basalt
0.001 – 0.1
Gabbro
0.001 – 0.1
Dolerite
0.01 – 0.15
Minerals
Pyrite
0.0001 – 0.005
Hematite
0.001 – 0.0001
Pyrrhotite
0.001 – 1.0
Chromite
0.0075 – 1.5
Magnetite
0.1 – 20.0
Magnetic susceptibilities of selected rocks and minerals.

24. Rock Type
Specific Gravity
Mineral
Specific Gravity
Coal
1.2 – 1.5
Sphalerite
3.8 – 4.2
Chalk
1.9 – 2.1
Chalcopyrite
4.1 – 4.3
Salt
2.1 – 2.4
Pyrrhotite
4.4 – 4.7
Serpentini
te
2.5 – 2.6
Chromite
4.5 – 4.8
Granite
2.5 – 2.7
Pyrite
4.9 – 5.2
Quartzite
2.6 – 2.7
Hematite
5.0 – 5.2
Limestone
2.6 – 2.7
Magnetite
5.1 – 5.3
Galena
7.3 – 7.7
Gneiss
2.65 – 2.75
Basalt
2.7 – 3.1
Gabbro
2.7 – 3.3
Peridotite
3.1 – 3.4
Specific gravity values for selected common rocks and minerals

25. Gravity anomaly created by dense subsurface rocks.

26. Common
Rocks/Materials
Resistivity
(ohm meters)
Ore Minerals
Resistivity
(ohm meters)
Clay
1 – 100
Pyrrhotite
0.001 – 0.01
Graphitic Schist
10 – 500
Galena
0.001 – 100
Topsoil
50 – 100
Cassiterite
Gravel
100 – 600
Chalcopyrite
0.005 – 0.1
Weathered Bedrock
100 – 1000
Pyrite
0.01 – 100
Gabbro
Sandstone
0.001 – 10,000
100 – 500,000
Magnetite
0.01 – 1,000
200 – 8,000
Hematite
0.01 – 1,000,000
Sphalerite
1000 – 1,000,000
Granite
200 – 100,000
Basalt
200 – 100,000
Limestone
500 – 10,000
Slate
500 – 500,000
Quartzite
500 – 800,000
Greenstone
500 – 200,000
Resistivity of common rocks and minerals.

27. Current flow and natural self potential field developed around a sulfide ore body
(from Dobrin, 1976).