Sentence examples for tract of sand from inspiring English sources

New homes began, in the 1990s, to occupy what had previously been a desolate tract of sand, and prefabricated communities sprang up in earnest as the housing market heated up.

Or sticking out of a large tract of sand.

On this sun-blasted tract of sand 14 miles south of Baker, molecular biologist and entrepreneur J. Craig Venter is field-testing a technology that he says will revolutionize the search for extraterrestrial life.

By 2003, Belmokhtar had relocated to northern Mali, shifting easily across the porous frontiers and great tracts of sand, gravel and craggy mountains of the Sahara.

It is also a city in search of an identity that still feels as shapeless as the tracts of sand interspersed between domed skyscrapers and the most improbable geometry.

After all, they now walk beaches that their families have used for centuries and find tracts of sand literally roped off by NOAA monk-seal responders — men and women who, on Kauai, are almost exclusively white, wealthy retirees from the mainland.

The leishmanial parasites assume two forms: a round or oval leishmanial stage, which lives and multiplies in the vertebrate host; and an elongate, motile, flagellated organism called a leptomonad, which is found in the alimentary tract of the sand fly.

Leishmania parasites develop to a transmissible and infective form entirely within the confines of the alimentary tract of the sand fly, in contrast to numerous other arthropod-borne pathogens.

The life cycle of the Leishmania parasite is characterized by two distinct morphologies (Scheme 1): the elongated and flagellated promastigote, found in the alimentary tract of the female sand fly vector, and the round nonmotile amastigote, present in the bloodstream and tissues of the mammalian host.

The United States is the biggest importer of Canadian oil, and Mr. Harper has been trying to win an agreement to exempt Canada's vast tracts of oil sands, which may contain up to 173 billion barrels of recoverable oil bound into sand and clay, from any new American environmental regulations.

Aeolian action is evident in the coastal tract that resulted in the formation of sand dunes.