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Searching for Mineable Economic Deposits with Geophysics

By John CurrieArticlesSeptember 4, 20200 comments

Geophysical exploration is a means of sourcing out high concentrations of various minerals and commodities under the Earth's surface by employing surveying methods, such as electromagnetic surveys and magnetic surveys. Geophysical exploration can be conducted on the ground or by air ...

Experienced Geophysicists Bring Success to Resource Exploration Programs

By John CurrieArticlesSeptember 4, 20200 comments

Quality, experienced Geophysicists are integral to overseeing the proper execution of all stages of the the acquisition process.  Starting with initial survey design and an extensive review of the client's survey targets and goals, Terraquest incorporates an experienced  ...

Value from Above - Airborne Geophysical Surveys for Minerals and Hydrocarbons

By John CurrieArticlesSeptember 3, 20200 comments

The Demand for Airborne Geophysical Surveys   Greater global demand for minerals and hyrdocarbons is leading to an increased demand for geophysical surveying. Airborne geophysical surveying, in particular magnetics, electromagnetics, and radiometrics, have become the leading ...

The 7 Tools for Geophysical Exploration

By John CurrieArticlesSeptember 3, 20200 comments

Geophysical surveying is a technique of the mining industry which uses a specialized instruments to measure the physical properties of rocks and soil in the surface and subsurface. The goal of geophysical surveying is to detect and/or predict the presence and position of elements ...

Airborne Magnetic Surveying Explained

By John CurrieArticlesAugust 20, 20200 comments

Introduction to Airborne Magnetic Surveys    Airborne magnetic surveying is a geophysical method used to image anomalies in the earth's magnetic field caused by variations in the magnetization of the crust.  These variations may be indicative of structural or lithological ...

Airborne Gravity Surveying Explained

By John CurrieArticlesAugust 20, 20200 comments

Gravity surveying is the process of measuring the local gravitational field of the Earth. Airborne gravity surveying revolves around the process of measuring and mapping changes in the gravity field with an airborne gravimeter on a helicopter or an aircraft. This ultra-sensitive ...

Airborne Geophysical Surveying is Key to Successful Mineral Exploration

By John CurrieArticlesAugust 20, 20200 comments

The Demand for Geophysical Surveys;   Greater global demand for minerals is leading to an increased demand for mineral exploration and in turn, airborne geophysical surveys. Airborne geophysical surveying, and specifically,, airborne magnetic surveys and airborne radiometrics ...

Selecting an Airborne Geophysical Surveying Company for Exploration

By John CurrieArticlesAugust 20, 20200 comments

Mineral exploration relies upon airborne geophysical companies that specialize in conducting highly precise surveys with high resolution data acquisition and advanced data interpretation. The success of a geophysical survey is dependent not only upon the survey itself, but the ability ...

Direct and Indirect Exploration using Airborne Geophysical Surveys

By John CurrieArticlesAugust 20, 20200 comments

Mineral and hydrocarbon exploration is conducted in several stages and the prospecting stage is arguably one of the most important. Prospecting can be done in various different ways but typically airborne geophysical surveys are used for either regional or detailed investigations.   There ...

What Is Very Low Frequency Electromagnetics (VLF-EM)?

By Mike RichardsonArticlesJanuary 5, 20150 comments

What Is Very Low Frequency Electromagnetics (VLF-EM)?   In radio communications terminology, VLF means Very Low Frequency, typically about 15 to 25 kHz.  VLF-EM is a geophysical survey technique that measures VLF signals from very powerful radio transmitters that induce ...

Carrying out Airborne Magnetic Surveys around the Globe

By Mike RichardsonArticlesJanuary 5, 20150 comments

Why Use Aeromagnetic Surveys?   Aeromagnetic surveys are an efficient geophysical prospecting tool for many mineral and petroleum exploration companies and government agencies. A fixed-wing airplane or helicopter is extensively modified to be magnetically quiet and equipped with ...

How Do I Find the Best Global Airborne Geophysical Survey Companies?

By Mike RichardsonArticlesJanuary 5, 20150 comments

Finding the Best Airborne Geophysical Survey Companies   The best global geophysical survey companies will be able to plan and execute effective geophysical surveys in any area of the world. Successful airborne geophysical survey providers know how to safely acquire high quality ...

Looking for a Company that Specializes in Radiometric Surveys?

By Mike RichardsonArticlesJanuary 5, 20150 comments

Radiometric Surveys   Radiometric Surveys detect and map gamma rays, and can be performed on the ground, in the air, or in a borehole.  Airborne gamma-ray spectrometry or radiometric surveying for mineral exploration measures the gamma-rays that are emitted from ...

The Benefits of Professional Geophysical Consultants

By Mike RichardsonArticlesJanuary 5, 20150 comments

Professional Geophysical Consultants   Many companies in the mineral and petroleum exploration industries already know the value of using professional geophysical consultants. These consultants specialize in selecting, planning, executing, and controlling the quality of comprehensive ...

Looking at the Facts About Electromagnetic Surveys

By Mike RichardsonArticlesJanuary 5, 20150 comments

Facts About Electromagnetic Surveys   Electromagnetic (EM) geophysical surveys are based on the propagation of electric currents and electromagnetic fields in the earth.  EM surveys can be conducted as airborne, ground or borehole surveys, and is one of the most commonly ...

Cost and Time-effective Benefits of Airborne Geophysical Surveys

By Mike RichardsonArticlesJanuary 5, 20150 comments

The Need for Cost-Effective Airborne Geophysical Surveys   Geophysical surveying is an important part of the mineral exploration process, and is thus an extremely useful methodology for mineral exploration companies. Airborne and ground geophysical surveys are essential to identify ...

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