Geologic Time Scale The Geologic Time Scale is an international system used by geologists to […]
Yearly Archives: 2020
Plutonic Rock (Igneous) Definition The term “Plutonic” in the field of geology refers to an […]
Plutonic Rock (Igneous)
Tsunami Tsunami: In the seismology branch of geology, a tsunami is an oceanic wave (gravitational) […]
Tsunami
Sand Boil A “Sand Boil” is a cone-shaped deposit of sand that is formed during […]
Sand Boil
Seismic Moment Seismic Moment: In the seismology branch of geology, seismic moment represents a measure […]
Seismic Moment
Moment Magnitude (M) Moment Magnitude (M): In the seismology branch of geology, moment magnitude is […]
Moment Magnitude (M)
Subsidence “Subsidence” is a geologic condition, in which a localized mass movement occurs, resulting in […]
Subsidence
Surface-Wave Magnitude “Surface-Wave Magnitude” is the magnitude of an earthquake that scientists estimate using measurements […]
Surface-Wave Magnitude
Topple Definition Topple – Slope movement due to forces that cause an overturning moment about […]
Topple
Runoff (R) The term “Runoff” (R) in hydrogeology and geology refers to the part of […]
Runoff (R)
Potentiometric Surface The term “Potentiometric Surface” means the hydrogeological surface that represents the total hydraulic […]
Potentiometric Surface
Permeability “Permeability” in engineering geology and geotechnical engineering refers to the property of a soil […]
Permeability
What is an ALTA Survey? An ALTA Survey is a specialized Boundary Survey of a […]
What is an ALTA Survey?
Hydraulic Conductivity (K) “Hydraulic Conductivity” (K), in hydrogeology and hydrology, represents the capacity of a […]
Hydraulic Conductivity (K)
Porosity (n) “Porosity” (n), in the geological engineering field, is a percentage value that represents […]
Porosity (n)
Reformation of Factory Farming The global population as of July 2020 is 7.7 billion, according […]
Reformation of Factory Farming
What is a Vapor Barrier Membrane for Soil Gas Mitigation? A vapor barrier, or a […]
Vapor Barrier Membrane for Soil Gas Mitigation
Licensed Professional Geologist A “Licensed Professional Geologist” or a “Certified Professional Geologist” is a person […]
Licensed Professional Geologist
Consistency The term “Consistency” in the fields of engineering geology and geotechnical engineering means the […]
Consistency
Consolidation “Consolidation” in geology refers to the gradual or slow reduction in the volume of […]
Consolidation
Critical Void Ratio The “Critical Void Ratio,” in soil science and geology, represents the final […]
Critical Void Ratio
Degree of Saturation (SR) “Degree of Saturation” (SR) is an engineering geology term and refers […]
Degree of Saturation (SR)
Direct Shear Test A Direct Shear Test is a geotechnical engineering laboratory procedure that measures […]
Direct Shear Test
Dilatancy “Dilatancy” is the increase in the bulk volume of a soil substance during deformation. […]
Dilatancy
Gap-Graded The term “Gap-Graded” is used by geologists, engineers, and soil scientists in the geotechnical […]
Gap-Graded
Adsorption “Adsorption” in geology, refers to the attraction and adhesion of the ions or molecules […]
Adsorption
Effective Size (D10) “Effective Size” (D10) is an engineering geology term. Effective Size represents a […]
Effective Size (D10)
Effective Stress (σ’) “Effective Stress” (σ’) is a geotechnical engineering term. Effective Stress is a […]
Effective Stress (σ’)
Liquefaction Liquefaction: Liquefaction is the process by which there is: (1) a sudden and significant […]
Liquefaction
Liquid Limit (LL) “Liquid Limit (LL)” in the field of geological engineering, refers to the […]
Liquid Limit (LL)
Hooke’s Law “Hooke’s Law” is a geological statement relating to the elastic deformation of rocks. […]
Hooke’s Law
Dry Density (ρd) “Dry Density” (ρd) is a value that represents the density of soil […]
Dry Density (ρd)
Dry Strength “Dry Strength” is a value that represents the strength of a soil sample, […]
Dry Strength
Hardpan (Caliche) “Hardpan” is a highly dense and solid layer of soil near the ground […]
Hardpan (Caliche)
Soil pH Test Strips The pH of soil can be measured using a variety of […]
Soil pH Test Strips
1 Disposing Hazardous Waste & Household Waste It is common knowledge that certain items, like batteries, […]
Disposing Hazardous Waste & Household Waste
Bowser Underground Gasoline Storage Tank & Storage Outfit Sylvanus Freelove (S.F.) Bowser is credited with […]
Bowser Underground Gasoline Storage Tank & Pump
5 Blue Opal Gemstone The blue opal gemstone, like all other types of opal, is not […]
Blue Opal Gemstone, Science & More
Human Health Risk Assessment (HHRA) A Human Health Risk Assessment (HHRA) evaluates the potential dangers […]
Human Health Risk Assessment (HHRA)
Indoor Air Quality Testing Indoor air quality testing involves collecting and containing samples of ambient […]
Indoor Air Quality Testing & Sampling
Fire Opal Gemstone – Geology & Mineralogy Information Fire Opal is an amorphous mineraloid comprising […]
Fire Opal Gemstone – Geology, Mineralogy & Information
Environmental Law Environmental Law refers to the various categories of law that are put in […]
Environmental Law
Retaining Wall Retaining Wall: A structure that provides the support needed to hold (in place) […]
Retaining Wall
San Carlos Olivine & Peridot The San Carlos Apache Reservation is one of the earth’s […]
San Carlos Olivine & Peridot Minerals
Phase 2 Environmental Recommendation in a Phase 1 Environmental Report? In some cases, there may […]
Phase 2 Environmental Recommendation from Phase 1 Environmental?
Methane Barrier for Soil Vapor Membrane A methane barrier is an impervious soil vapor membrane […]
Methane Barrier for Soil Vapor Membrane
Methane Mitigation Construction & What to Know Methane mitigation construction doesn’t always need to be […]
What to Know about Methane Mitigation Construction
Remedial Action Plan A Remedial Action Plan, or Remediation Plan is a guideline that proposes […]
What is a Remedial Action Plan?
Understanding the Underground Storage Tank Abandonment Process The underground storage tank abandonment process is a […]
What is the Underground Storage Tank Abandonment Process
1 What is Contamination Remediation after a Phase 2 Environmental Site Assessment? Contamination Remediation refers to […]