peneplain
/ˈpiːnɪpleɪn
/noun Geology
A more or less level land surface produced by erosion over a long period, undisturbed by crustal movement.Here the sequence of processes and landforms which exists between the tectonic uplift of an area and its reduction to a peneplain or erosion surface close to base level is believed to have occurred many times in certain regions....
- the Palaeozoic Urals were eroded down to a peneplain by the end of Jurassic time, with platform sediments covering most of the orogen.
- The south slope is generally planar except where incised by glacial or fluvial valleys and is a remnant peneplain of late Cretaceous-early Tertiary age, which is well developed in western Mongolia and adjacent regions of China.
Origin
Late 19th century: from Latin paene 'almost' + plain1.
- strophic
- stroppily
- stroppiness
- stroppy
- stroud
- strove
- strow
- struck
- struck joint
- struct
- structural
- structural ambiguity
- structural anthropologist
- structural anthropology
- structural basin
- structural botany
- structural change
- structural chemistry
- structural contour
- structural deficit
- structural engineer
- structural engineering
- structural formula
- structural-functional
- structural functionalism