Commtech G- Post Test Geophysical Survey in Geothermal

What are the kind of exploration surveys in Geothermal

• Geology
• Geochemistry
• Geophysics
• Geography
• Vulcanology

What are the components of geothermal system

• Heat Source
• Recharge Area
• Cap Rock
• Water table
• Meteoric Water

……is describe the geothermal system and used to consider the target

What is the area where the geothermal manifestation founded

Gravity survey is implemented to capture…

• fracture
• cap rock
• porosity
• heat rock/heat source
• permeability

What is the path of magma to raise up into the surface

What will occur if rock closured by the heat

What is the characteristic of geothermal area in indonesia

• high terrain
• low terrain
• acid magma
• intrusion<250.000 years
• middle temperature

….is the main utilization of geothermal in Indonesia

mention the geophysical methods to investigate the high temperature zone in geothermal system

• Magnetotellurics

• Magnetic

• Resistivity

• Gravity

• Geochemistry