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https://ccgm.org/192-490-thickbox_leoshoe/globe-geologique-terrestre.jpg View full size

Earth Geological Globe (CGMW)

30 cm / 12” diameter
Approx. scale: 1: 42 000 000
Injection molded plastic globes, printing on vinyl, thermoforming process
Free stand on a clear acrylic base
Produced for CGMW by Replogle
© CCGM-CGMW 2018, Paris, France

Download Legend here

Explanatory Notes available here

When ordering the globe together with maps, please prepare a separate order for the globe

More details

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120,00 €

120,00 € per 1

The Earth Geological Globe is based on the revised 3rd edition of the Geological Map of the World, originally drawn at the scale of 1:25 million, published in 2014 by the Commission of the Geological Map of the World (CGMW). It integrates the state of the art of the geological knowledge of our planet at the turning-point of the XX/XXI centuries. This work is a synthetic compilation basically aimed at educational purposes and constitutes an attempt at representing a simplified geology of the continents and oceans of our planet in its entirety.

This representation, enhanced by a shaded physiographic base more attenuate in the continents than in the oceans, is the only one existing today that presents the world geological setting at a glance. There is a clearly distinguishable contrast between the continents –where rocks may attain an age up to nearly 4 billion years– and the oceanic crust, not exceeding 200 million years.

Here is summary of the main geological units and features:

  • 8 broad chronostratigraphic units, from recent to oldest : 1= Cenozoic; 2= Mesozoic; 3= Upper Paleozoic; 4= Lower Paleozoic; 5= Neoproterozoic; 6= Mesoproterozoic; 7= Paleoproterozoic; 8= Archean (> 2 billion years).
  • Discrimination of "Large Igneous Provinces" (LIP) since the end of the Paleozoïc (continental traps, "oceanic plateaus") with indication of mean age of the major volcanic episode (including the extent of the "Central Atlantic Magmatic Province" zone), corresponding to large magmatic pulses.
  • Meso-Cenozoic ophiolites that underline suture zones.
  • Zones where the subglacial bedrock of the Antarctica and Greenland indlandsis are lowered under sea level.
  • Continental shelf (depth < 200 m).
  • Limit between continental crust / oceanic crust.
  • Axis of active mid-oceanic ridges marking the boundary between two divergent lithospheric plates.
  • Subduction zones representing the convergence between two plates and sedimentary accretionary prisms.
  • Transform faults which is a type plate boundary that links spreading ridges and subduction zones; fracture zones representing the “scars” of transform faults.
  • Anomalous submarine features such as seamounts, oceanic plateaus, hotspot tracks (6 hotspots tracks with indication of the age of the build-up of several hotspots that allows visualizing the progression of the plate throughout time).
  • Crustal deformation zones (diffuse boundary) between some plates.
  • Identification of extensive submarine volcanic provinces linked to the opening of the North Atlantic Ocean and South Atlantic Ocean (SDRs),
  • 45 hotspots categorized in four types.

The Earth Geological Globe is a major teaching aid that allows, among others, a rapid visual reconstruction of the main plates and sub-plates of the global tectonics.

Authors

Philippe Bouysse, French marine geologist, retired official of the French Geological Survey (BRGM) and former Secretary General of the Commission for the Geological Map of the World – CGMW (1990-2000). Presently Scientific Advisor of the CGMW. Conception, synthesis and drawing of the original map.

Bruno Vrielynck, geologist, paleographer and GIS expert from the Institut des Sciences de la Tierra de Paris (Istep), Sorbonnes Universités/UMPC for the restructuration and enhancement of the GIS database achieved in 2017.

Alain Rabaute (GeoSubsight), geologist and GIS expert from the Institut des Sciences de la Tierra de Paris (Istep), Sorbonnes Universités/UMPC, for the cartographic adaptation of the Mercator map to the Global projection and production of the graphic files for the production of the globe.

The manufacture of the Globe was entrusted to Replogle Globes Partners LLC (Illinois, USA), world leaders in the conception and production of globes.

  • Weight 1,300 kg
  • Scale 1/42 000 000
  • Diameter 30 cm