Dolores-Guayaquil Megashear

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The Dolores-Guayaquil Megashear (Spanish : Megafalla Dolores-Guayaquil) is a first-order shear zone and fault zone in Northern South America. [1] The megashear runs from the Gulf of Guayaquil in southwestern Ecuador, through Colombia, to Dolores in Venezuela.

Spanish language Romance language

Spanish or Castilian is a Western Romance language that originated in the Castile region of Spain and today has hundreds of millions of native speakers in the Americas and Spain. It is a global language and the world's second-most spoken native language, after Mandarin Chinese.

Shear zone structural discontinuity surface in the Earths crust and upper mantle

A shear zone is a very important structural discontinuity surface in the Earth's crust and upper mantle. It forms as a response to inhomogeneous deformation partitioning strain into planar or curviplanar high-strain zones. Intervening (crustal) blocks stay relatively unaffected by the deformation. Due to the shearing motion of the surrounding more rigid medium, a rotational, non co-axial component can be induced in the shear zone. Because the discontinuity surface usually passes through a wide depth-range, a great variety of different rock types with their characteristic structures are produced.

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