AN OVERVIEW GEOTHERMAL SURVEY
AT TANGKUBAN PERAHU VOLCANO AND ITS SURROUNDING AREAS
July 4-9, 2011 presented by Nanang Dwi Ardi
STRUCTURAL GEOLOGY
(the main factor, but not easy....)
Matching MapMain target
X
Main targetX
Matching MapMain target
X
Main targetX
2nd target
2nd target
Main targetX
2nd target
Rock Distribution
Piroclastic rock
Rock Distribution
Piroclastic rock
Lava
Columnar joints
Rock Distribution
Piroclastic rock
Lava
Columnar joints
Rock Distribution
Piroclastic rock
Lava
Columnar joints
Lava, a little vesicular lava spot
Rock Distribution
Piroclastic rock
Lava
Columnar joints
Lava, a little vesicular lava spot
Rock Distribution
Piroclastic rock
Lava
Columnar joints
Lava, a little vesicular lava spot
Rock Distribution
Piroclastic rock
Lava
Columnar joints
Lava, a little vesicular lava spot
But, what happen next, if geological setting met geothermal surface manifestation?
Geothermal Manifestation
Kawah Baru Kawah Upas
Kawah Ratu
Kawah Domas
Kawah Ratu
Kawah Domas
Geothermal ManifestationKawah Baru
Freatic volcanowith wet steams
Geothermal Manifestation
Kawah Ratu
Kawah Domas
W E
Geological Model Approach
Geothermal Manifestation
Kawah Ratu
Kawah Domas
W E
Kawah Baru Kawah Upas
Geological Model Approach
Evidence of faulting on Domas Crater
Kawah Ratu
Kawah Domas
W E
Kawah Baru Kawah Upas
Geological Model Approach
N
Geothermal Manifestation
Kawah Baru Kawah Upas
Kawah Ratu
Kawah Domas
W E
T = 45°CpH =6,7
HCO3- = 1200 mg/L
9,2 km
5,3 kmT= 34°CpH=2,73
HCO3-= 0 mg/L
Bicarbonate
9,2 km
5,3 kmAcid sulfate
chlorideAcid sulfate
chloride
Bicarbonate
?
AcknowledgementsAll lecturers, friends, & commitees.
Thanks for all your kindness on knowledge sharing to build imagination.....
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