Sentence examples for ancient surfaces from inspiring English sources

Supplementary evidence for exposed lands may consist of thick soils developed on these ancient surfaces (Buick et al. 1995; Hoffman 1995; Ohmoto et al. 2007; Johnson et al. 2009, 2010).

Implementing a modified version of field methods applied in our survey of cave systems and Pleistocene cave sediments, the main goal of this systematic research focused on the identification of intact stratified remains from either stratigraphic sections or on remnants of exposed ancient surfaces.

Approximately five years ago, the Working Group on Ancient Surfaces and Long-Term Landscape Evolution was created to raise planed surfaces in Brazil, Argentina, Uruguay and Paraguay with the aim of establishing regional correlations of planed surfaces after the formation of the Gondwanan rocks in South America.

A vaguely similar experiment is currently on display at the Metropolitan Museum of Art, on far more ancient surfaces.

Based on their experience with the ancient surfaces of the Moon, Mars, and Mercury, scientists expected to see numerous impact craters in Voyager 1's first images of Io.

Wide areas of the upland had been reduced to a uniform low relief by the time of the later Mesozoic Era (about 100 million years ago) and many remnants of the ancient surface, exhumed by erosive action from beneath a later Cretaceous cover (i.e., up to about 65 million years ago), survive in the landscape, notably in northern Queensland.

Thus, when a slice of crystalline rock from deep in the crust is scraped off the remainder of the continent and is underthrust by it, much of the slice is uplifted and pushed onto the relatively flat, ancient surface of the intact portion of the continent.

Its geologically complex surface, ancient surface age, and high density suggest that Lutetia is most likely a primordial planetesimal.

It is defined by a distinct and ancient surface, known as the Pacific Paleosurface (PPS) or Atacama Paleosurface.

The inference that martian clays are pointing to persistent liquid water deep beneath the ancient surface is more tentative, McLennan says.

The emergence of airborne lidar data for studying landscape evolution and natural hazards has revolutionized our ability to document the topographic signature of active and ancient surface processes.