Geophysical Surveys for Archeological Investigations | Geophysics HM Ltd Geophysical Surveys for Archeological Investigations | Geophysics HM Ltd

Geophysics HM Ltd

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    • GPR
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    • Induced Polarization
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ARCHEOLOGICAL INVESTIGATIONS

Phone: (365) 889 5400

 Contact: sales@geophysicshm.com

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Geophysics HM Ltd provides affordable geophysical surveys for finding, delineating and mapping the presence of archeological features, ancient buried structures, thumbs, graves, coffins, human remains, treasures and small artifacts.

Detailed geophysical surveys are commonly carried out over historic sites in order to delineate and map the presence of archeological features, ancient buried structures, thumbs, graves, coffins, human remains, treasures and small artifacts.  The archeological targets are detectable by the geophysical techniques because they may have physical property differences with the surrounding soil and fill materials. 

Historic Foundations

Cemetery Investigations_Geophysics HM Ltd

Cemeteries

Geophysical Surveys for Archeological Site Mapping

Due to the non-invasive and non-destructive nature of the geophysical surveys they have been widely used in archeological investigations in order to reduce the risk of disturbing cultural sensitive and protected heritage sites such as ancient burials and cemeteries.The interpretation of the geophysical data in conjunction with other geographic positioning systems such as LIDAR will generate high-resolution digital elevation models and contour grids of the measured geophysical magnitudes. The interpretation of the data is presented in “Treasure Compilation Maps” where relevant anomalies are identified and assess in terms of viability for future investigations and intrusive testing and excavation activities. Various types of geophysical instruments are used for archeological investigations depending on the type of the target and extent of the archeological project. Most common geophysical techniques are GPR, Ground Magnetics, High Precision Metal Detectors, Electromagnetic Soil Conductivity Mapping and ERT.

 Geophysical Methods Used in Archeology
 

GPR

Metal Detector

MAG

ERT

FDEM

TDEM

 
Applications and Solutions
  • Buried Buildings
  • Fortifications
  • Metal Artifacts
  • Monuments
  • Excavation Guidance
  • Burials
  • Historic Objects
  • Structures
  • Temples
  • Walls & Footings
  • Cemeteries
  • Graves And Tumbes
  • Gold & Precious Items
  • Ancient Human Occupation
  • Historic Pits, Trenches And Ditches
  • Human Remains
  • Past Agricultural Activity
  • Soil Compaction
  • Stone Foundation
  • Cavities, Tunnels, Vaults and Caverns

Finding Buried Metal Objects  

Man-made ferrous objects that have been buried on the ground for extended periods of time will cause or generated magnetic anomalies that are mapped by using especial and very sensitive instrumentation or magnetometers capable of measuring small variations of the earth magnetic field.  

Mapping Historic Foundations

Electric Resistivity Tomography and Ground Penetrating Radar are  geophysical techniques commonly used for mapping archaeological features such as ancient stone and brick foundations which have remarkable differences in the electric properties of the forming materials compared to the surrounding host matrix and natural sediments. 

Cemetery Investigations

Ground Penetrating Radar is the most suitable technique for investigating active or historic cemeteries due to the cultural and human sensibility associated to the sites. GPR is a non-invasive technique used for mapping the location, depth and extent of marked and unmarked graves . The technique is used for managing plot demarcation, ground allocation and headstone realignment. 

Treasures and Relics  

Hand-held electromagnetic detectors are widely used in archeological investigations for locating and unearthing ferrous and non-ferrous treasures, ancient coins, buttons, pins, gold and silver artifacts, gold nuggets and other historic relics.  

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Geophysics HM Ltd

Geophysics HM Ltd
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Geophysics HM Ltd Office

51 Strachan Street E.  Hamilton.  Ontario. L8L3M3

Phone: (365) 889-5400

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