Terrace (geology)

Sediments underlying fluvial terrace exposed in cutbanks along the Manú River, Peru

Hypothetical valley cross-section illustrating a complex sequence of aggradational (fill) and degradational (cut and strath) terraces and deposits (upland gravels). Note ct = cut terraces, ft = fill terraces, ft(b) = buried fill terrace, fp = active floodplain, st = strath terrace, and ug = upland gravels.

In geology, a terrace is a step-like landform. A terrace consists of a flat or gently sloping geomorphic surface, called a tread, that is typically bounded one side by a steeper ascending slope, which is called a "riser" or "scarp." The tread and the steeper descending slope (riser or scarp) together constitute the terrace. Terraces can also consist of a tread bounded on all sides by a descending riser or scarp. A narrow terrace is often called a bench.

单词	Terrace deposit
释义	Terrace deposit 英语百科 Terrace (geology) In geology, a terrace is a step-like landform. A terrace consists of a flat or gently sloping geomorphic surface, called a tread, that is typically bounded one side by a steeper ascending slope, which is called a "riser" or "scarp." The tread and the steeper descending slope (riser or scarp) together constitute the terrace. Terraces can also consist of a tread bounded on all sides by a descending riser or scarp. A narrow terrace is often called a bench.
随便看	Social network sites social network support Social neuroscience Social news Social norm Social norms social norms theory Social Notworking social nutrition social object social objective social objectives Social obligation Social Obligations social occasion social occasions socialogical jurisprudence social operating system social opportunity social opportunity cost social optimum Social order Social orders Social organisation social organisations

Terrace deposit

Terrace (geology)