Soil Sampling

From Open Energy Information

GEOTHERMAL ENERGY

Exploration Technique: Soil Sampling

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Exploration Technique Information
Exploration Group: Field Techniques
Exploration Sub Group: Field Sampling
Parent Exploration Technique: Field Sampling
Information Provided by Technique
Lithology:
Stratigraphic/Structural: Can reveal relatively high permeability zones
Hydrological:
Thermal: Used to locate active hydrothermal systems
Dictionary.png
Soil Sampling:
Soil sampling is a method that can be used for exploration of geothermal resources that lack obvious surface manifestations. Soils that are above or adjacent to a “hidden” hydrothermal system will have a unique chemistry that can be indicative of a hydrothermal system at depth and a zone of relatively high permeability.
Other definitions:Wikipedia Reegle


 
Introduction
  • "When a geothermal resource lacks surface manifestations (hot springs, fumaroles, mud volcanoes, etc.) soil sampling can be a useful way to determine if there is hydrothermal activity at depth. Soils can act similar to a sponge and absorb certain elements or mineral alterations that are associated with hydrothermal activity.
    Geologist taking a soil sample in the field. Photo from the Kansas State University website'"`UNIQ--ref-00000001-QINU`"'." cannot be used as a page name in this wiki.
  • The given value was not understood.
 When a geothermal resource lacks surface manifestations (hot springs, fumaroles, mud volcanoes, etc.) soil sampling can be a useful way to determine if there is hydrothermal activity at depth. Soils can act similar to a sponge and absorb certain elements or mineral alterations that are associated with hydrothermal activity.
Geologist taking a soil sample in the field. Photo from the Kansas State University website[1].
 
Use in Geothermal Exploration
"Soil Sampling is typically done in a methodical and structured way so the results of the geochemical analysis can be used to plot spatially on a map. An active hydrothermal system releases fluids that are anomalous in typical surface environments. The most volatile gases are able to escape the heat source and permeate through overlying formations, casting an imprint either on the soil or into the atmosphere that is used to locate a potential geothermal resource. The successful identification of these soils can reveal relatively high permeability zones and an otherwise unknown geothermal resource." cannot be used as a page name in this wiki.
 Soil Sampling is typically done in a methodical and structured way so the results of the geochemical analysis can be used to plot spatially on a map. An active hydrothermal system releases fluids that are anomalous in typical surface environments. The most volatile gases are able to escape the heat source and permeate through overlying formations, casting an imprint either on the soil or into the atmosphere that is used to locate a potential geothermal resource. The successful identification of these soils can reveal relatively high permeability zones and an otherwise unknown geothermal resource.
 
Related Techniques
"Gas Flux Sampling

Soil Gas Sampling Surface Gas Sampling

[[Mercury Vapor" cannot be used as a page name in this wiki.
Gas Flux Sampling

Soil Gas Sampling Surface Gas Sampling Mercury Vapor






 
References
  1. ↑ Research: Department of Geology