Geolis04(SP3) interpretasi
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Transcript of Geolis04(SP3) interpretasi
![Page 1: Geolis04(SP3) interpretasi](https://reader033.fdocuments.net/reader033/viewer/2022061518/55cf9b49550346d033a573b6/html5/thumbnails/1.jpg)
04. Interpretasi Data SP
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Sp interpretation
• Primarily qualitative;• May need corrections for
telluric (large-scale surveys) and bioelectric potentials.
• Depth to the source body is about ½ of the width of SP anomaly;
• Attitude of the body can be judged from the asymmetry of the anomaly.
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Model profil SP (Telford, 1998)
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Model profil SP (Telford, 1998)
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Data
SP di atas pipa metal terkubur, Meso,
California (Corwin, 1990)
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Data
Korelasi SP (V) dengan Suhu T dan laju aliran air U, di
Armenia (Ogivly etal., 1969)
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Graphitebodies infoldedgneisses(Meiser, 1962)
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Very strong SP anomalies caused by massivesulfides
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Data tipikal SP melewati body sulfida (Telford,
1998)
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Data
Potensial vs Suhu di daerah tanah-longsor
BlackSea coast, Caucasus
(Bogoslovsky & Ogivly, 1969)
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Data
SP di daerah Patahan Lembah Livermore, California. Patahan
diduga sebagai ‘barier’ air tanah
(Corwin, 1990)
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SP oleh penyedotan air tanah (1) terukur, (2) muka air sebelum dipompa, (3) muka air setelah dipompa, (4) sumur eksploitasi, (5)
sumur ukur muka air. (Corwin, 1990)
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SP di Patahan Dome, Roosevelt Hot Springs, Utah (Corwin, 1990)
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SP di daerah panas bumi Kep. Milo, Yunani.
(Corwin, 1990)
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Gradien Suhu
Anomali SP
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SP untuk geothermal (Telford, 1998)
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SP in vulcano
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Interpretasi Kuantitatif: Titik muatan
• Biasanya digunakan dalam interpretasi titik sumur artesis, titik kebocoran dalam bendungan, aliran air bawah tanah (2D), dll.
222 ayx
CU
22 ax
aUU maks
3
bIC
Profil potensial a meter di atas titik muatan
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DILARANG!!!
Meminjam/memakai/memanfaatkan alat pemusnah massal untuk survey sp baik di Laboratorium maupun
di Lapangan.
Ttd dosen pengampu