marginal plain ได้แก่ภูมิประเทศที่ม

Marginal plain: the terrain is plain narrow. The edge of the area that is now on the Plains and lower hills and Plains to retreat from mountain kronlae thin layer of sludge is confused with a scrap piece of sandstone limestone conglomerate schist and limestone bangboriwen akni insert push up as well as on the.Suphan buri, saraburi, Lopburi province uthai Thani Hotel Phitsanulok.

marginal plain include a landscape with a narrow plateau edge of the plain of the upper and lower hills and plains, foothills, caused by erosion and deposition of sediment is a thin layer mixed with fragments of sandstone and limestone. shale, conglomerate And some areas with rocks intruded by patchy areas such as
parts of Suphan Buri, Saraburi Province Uthai Thani.

Marginal plain including plain terrain with narrow margin area of the basin of the upper and lower hills and plains of him caused by erosion and sediment deposition of a thin layerAnd some of the igneous rock inserted push up such as the inadequate
.Some of the Uthai Thani Province, suphan Buri, Lop Buri, Saraburi, Phitsanulok.