Tsohon dutse

wanka dutse-tsohon shine ɓangaren geological na dutse wanda ya fi tsayayya da rushewa fiye da shimfidar ko shimfidar ƙasa kuma saboda haka yana samar da ƙwayoyin da ke da kusurwoyi masu tsawo. Ya fi ko žasa daidai da ridge-tsohon, kuma ana iya bambanta shi da gangaren-tsohon. A cikin mahalli mai laushi, sandstones yawanci suna da dutse. A cikin yanayin busasshiyar ƙasa, dutse mai laushi sau da yawa masu samar da dutse ne. Lavas na baya-bayan nan na iya zama masu samar da dutse.

A cikin Ridge-and-Valley Appalachians na gabashin Amurka manyan masu samar da tuddai sune Tuscarora, Pocono, da Pottsville Formations.

 Manazarta