Mohorovičić discontinuity
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The Mohorovičić discontinuity, usually called the Moho discontinuity, Moho boundary, or just Moho, is the boundary between the crust and the mantle of Earth. It is defined by the distinct change in ve
Ordovician ophiolite in Gros Morne National Park, Newfoundland. This rock, which formed the Ordovician Moho, is exposed on the surface.
Project Mohole
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Project Mohole was an attempt in the early 1960s to drill through the Earth's crust to obtain samples of the Mohorovičić discontinuity, or Moho, the boundary between the Earth's crust and mantle. The
Mohorovičić discontinuity
…of P-waves, scientists were able to theorize about the earth's composition. These early studies gave rise to modern seismology. In the early 1960s, Project Mohole was an attempt to drill to the Moho from deep-ocean regions. After initial success in establishing deep-ocean drilling, the project suffered from…
Dr. Gordon Lill, deputy director of the National Ocean Survey, and head of the American Miscellaneous Society, the founding group of the Deep Sea Drilling Project
A model of the proposed Mohole drilling platform designed by Brown & Root
The Glomar Challenger, launched in 1968, was the drill ship for NSF's Deep Sea Drilling Project.