Silicification refers to the addition of silica to a rock by a hydrothermal fluid. Silicification is often visually non-distinct, but results in hardening of the rock that is readily detectable using a scratcher tool.
Want to add an example to this list? Select a Geothermal Resource Area to edit its "Relict Geothermal Feature" property using the "Edit with Form" option.CSV
|Blue Mountain Geothermal Area||Northwest Basin and Range Geothermal Region||Fault Intersection|
Intrusion Margins and Associated Fractures
|Salt Wells Geothermal Area||Northwest Basin and Range Geothermal Region||23.6 MW|
|Sumatra-Sibayak Geothermal Area||Sunda Volcanic Arc - Great Sumatra Fault Zone||Fault Intersection||Tertiary||Sandstone; Limestone||12 MW|