Bagi yang melakukan survei geofisika yang membutuhkan referensi nilai Resistivitas dan Suseptibilitas Batuan atau Mineral bisa dilihat di sini :
Tabel Nilai Resistivitas Batuan
Halliday, David; Resnick, Robert; Walker,
Jearl.1991.Fundamentals of Physics (edisi ke-6th). John Wiley &
Sons, Inc
Material
|
Resistivitas (Ohm.m)
|
Air (Udara)
|
0
|
Sandstone (Batu pasir)
|
200-800
|
Sand (Pasir)
|
1-1000
|
Clay (Lempung)
|
1-100
|
Ground Water (Airtanah)
|
0.5-300
|
Sea water (Air asin)
|
0.2
|
Dry Gravel (Kerikil Kering)
|
600-10000
|
Alluvium (Aluvium)
|
10-800
|
Gravel (Kerikil)
|
100-600
|
Todd, D.K, 1976, “Groundwater
Hydrology”.2nd Edition. New
York: Jhon Wiley & Sons
Tabel Nilai Suseptibilitas Batuan
dan Mineral
Telford, M.M., Geldart, L.P., Sheriff,
R.E. 1991. Applied Gephysics, second
edition. USA: Cambridge University Press
Jenis Batuan/Mineral
|
Suseptibilitas (x 106
emu)
|
|
Interval
|
Rata-rata
|
|
Batuan
Sedimen
|
||
-
Dolomit
|
0 – 75
|
10
|
-
Batu kapur
|
2 – 280
|
25
|
-
Batu pasir
|
0 – 1660
|
30
|
-
Lempung
|
5 – 1480
|
50
|
-
Rata-rata Sedimen
|
0 – 4000
|
75
|
Batuan
Metamorf
|
||
-
Amphibolit
|
60
|
|
-
Sekis
|
25 – 240
|
120
|
-
Phillite
|
130
|
|
-
Gneiss
|
10 – 2000
|
|
-
Kuarsit
|
350
|
|
-
Serpentine
|
250 – 1400
|
|
-
Slate
|
0 – 3000
|
500
|
-
Rata-rata Metamorf
|
0 – 5800
|
|
Batuan Beku
|
||
-
Granit
|
0 – 4000
|
200
|
-
Riolit
|
20 – 3000
|
|
-
Dolorit
|
100 – 3000
|
1400
|
-
Augit-senit
|
2700 – 3600
|
|
-
Olivin-diabas
|
2000
|
|
-
Diabas
|
80 – 13000
|
4500
|
-
Porpiri
|
20 – 16700
|
5000
|
-
Gabro
|
80 – 7200
|
6000
|
-
Basal
|
20 – 14500
|
6000
|
-
Diorit
|
50 – 10000
|
7000
|
-
Piroxenit
|
10500
|
|
-
Peridotit
|
7600 – 15600
|
13000
|
-
Andesit
|
13500
|
|
-
Rata-rata beku asam
|
3 – 6530
|
650
|
-
Rata-rata beku basa
|
44 – 9710
|
2600
|
Mineral
|
||
-
Grafit
|
-8
|
|
-
Quartz
|
-1
|
|
-
Garam batu
|
-1
|
|
-
Anidrite, batu kapur
|
-1
|
|
-
Calsit
|
0.4
|
|
-
Batubara
|
2
|
|
-
Tanah liat
|
20
|
|
-
Chalcopirit
|
32
|
|
-
Sphalerit
|
60
|
|
-
Cassiterit
|
90
|
|
-
Siderit
|
100 – 310
|
|
-
Pirit
|
4 – 420
|
130
|
-
Limonit
|
220
|
|
-
Arsenopirit
|
240
|
|
-
Hematit
|
40 – 3000
|
550
|
-
Chromit
|
240 – 9400
|
600
|
-
Franklinit
|
36000
|
|
-
Pirrhotit
|
100 – 500000
|
125000
|
-
Ilmenit
|
25000 – 300000
|
150000
|
-
Magnetit
|
100000 – 1600000
|
500000
|
0 komentar:
Posting Komentar