Rashin da aka yi

Wani outcrop ko dutse outcrop ne bayyane fallasawa na bedrock ko tsoffin superficial deposits a farfajiyar Duniya da sauran duniya taurari.

 Abubuwan da ke ciki 
Yankunan ba su rufe mafi yawan ƙasa duniya ba saboda a mafi yawan wurare dutse ko ajiyar ƙasa an rufe su da ƙasa da ciyayi kuma ba za a iya gani ko bincika su sosai ba. Koyaya, a wuraren da aka cire murfin da ke sama ta hanyar rushewa ko haɓaka tectonic, ana iya fallasa dutsen, ko kuma ya fito. Irin wannan bayyanar za ta faru akai-akai a yankunan da rushewa ke da sauri kuma ya wuce yawan yanayi kamar a kan tsaunuka masu tsawo, tsaunuka da tsaunuka, bankunan kogi, da wuraren da ke aiki. A Finland, rushewar ƙanƙara a lokacin mafi girman kankara na ƙarshe ( 11000 BC), wanda ya biyo bayan raƙuman ruwa na teku, wanda ya biyo baya da isostatic uplift ya samar da kyawawan raƙuman bakin teku da na bakin teku.

Za'a iya fallasa dutse da ajiyar ƙasa a saman duniya saboda binciken ɗan adam kamar su dutse da gina hanyoyin sufuri.

 Nazarin 
Outcrops yana ba da damar lura kai tsaye da samfurori na dutse a wurin don nazarin ilimin ƙasa da ƙirƙirar taswirar ƙasa. Ma'aunin a cikin wuri yana da mahimmanci don nazarin tarihin ilimin ƙasa kuma saboda haka abubuwan da suka fito suna da matukar muhimmanci don fahimtar sikelin lokacin ilimin ƙasa na tarihin duniya. Wasu daga cikin nau'ikan bayanai da ba za a iya samu ba sai dai daga dutsen dutse ko ta hanyar yin amfani da takamaiman gyare-gyare da gyare- gyare-gare, gyare-gwaje na gado, foliation), gyare-gine na gyare-rikice (misali jagororin paleo-current, grading, canje-canje na facies), gyarewar paleomagnetic. Outcrops kuma suna da mahimmanci don fahimtar tarin burbushin halittu, da paleo-environment, da juyin halitta yayin da suke samar da rikodin canje-canje na dangi a cikin yanayin ƙasa.

Cikakken bayanin, taswirar, da samfurori don nazarin dakin gwaje-gwaje na abubuwan da suka faru sun ba da damar duk kimiyyar ilimin ƙasa da ci gaban ka'idojin ilimin ƙasa irin su dokar haɗuwa, ka'idar asalin asali, ka'ida ta ci gaba ta gefe, da ka'idar maye gurbin dabbobi.

 Nau'o'in tsaunuka 
Yaduwa suna faruwa a cikin nau'o'i da yawa, gami da, amma ba a iyakance su ba: 

 Dutsen
 Tors
 Tushen dutse
 Inselbergs

 Misalan 
A kan taswirar Ordnance Survey a Biritaniya, ana rarrabe dutsen dutse daga outcrops: dutsen dutsen suna da layi mai ci gaba tare da gefen saman tare da layin da ke fitowa ƙasa; outcrops suna da layi na ci gaba a kusa da kowane yanki na dutse. Misali a California shine Vasquez Rocks, wanda aka saba da amfani da shi a cikin fina-finai da yawa, wanda ya ƙunshi dutse mai tsawo. Yana wani misali ne na fitowar, wanda ke cikin gundumar Uttara Kannada a Karnataka, Indiya.

 Manazarta