Mai iyo (geology)

A cikin ilimin ƙasa, mai iyo ko mai iyo  wani dutse ne wanda aka rushewa, aka ware shi kuma aka kai shi daga asalinsa, kuma ana samunsa a cikin ƙasa ko bayanin martaba.  Mai iyo kuma na iya zama babban dutse wanda aka raba shi daga dutsen da ke ƙarƙashinsa.

## Tarihi

Floaters ko floats galibi duwatsu ne da aka kai ko kuma aka raba su daga asalin su (yawanci ta hanyar yanayin jiki) kuma galibi suna warwatse a fadin Bayanan ƙasa, ko ma ta hanyar jigilar ruwa a cikin kogi ko kogi. Sau da yawa ana gano su ta hanyar tonowa, ana iya ware tarkace dutse a kusa da dutse mai girman dutse ko mafi girma. Ƙananan za a iya tura su gefe ko kuma a sauya su da ɗan ƙasa. Ana iya kuskuren manyan duwatsu masu tasowa don dutsen da ke ƙasa, wanda ke haifar da rage zurfin ƙasa da yawa, regoliths, da yanayin yanayi.

Yankunan dutse da ke kewaye da farfajiyar yawanci suna da wahala ga masu ilimin ƙasa su tantance yadda aka sauya su daga dutsen (bayan an cire su ta hanyar hanyoyin yanayi).  Ya kamata masanan ilimin ƙasa ya kwashe wani lokaci yana tantance ko suna hulɗa da wani abu, wani abu, ko babban ruwa, saboda ba zai yiwu a tabbatar da cewa dutsen da aka fallasa yana haɗe da dutse ba.

### Asalin
Kamar yadda duwatsu ke da yanayi ba bisa ka'ida ba, ruwa yana gudana cikin dutse tare da karyewar, inda yake da yawa a wasu wurare na zahiri a cikin dutse. Yanayin da ke ƙarfafa kansa na iya bin ƙarfin hali na dutsen uwa marar yanayi ko mai ɗanɗano ta hanyar ƙirar kayan da aka raba, kayan da aka yi amfani da su (watau corestones). Dutsen da ya fi tsayayya an haɗa shi da ƙananan lithologies. Sandstone da shale a cikin umarni na sedimentary yawanci ana rarraba su, kamar a cikin saitunan flysch. Rushewar dutse na iya guje uwar dutse mai saurin kamuwa yayin da aka canza kayan da ba su da ruwa zuwa Saprolite ko ƙasa. Motsi zuwa ƙasa na iya faruwa saboda daidaitawa mai nauyi, tare da wasu sabuntawa ta hanyar shayarwa ta ƙasa da dabbobi masu tonowa suka haifar.

## Sufuri
Tushen bishiya na da ikon mamaye tukwane da kuma ɗaga ɓangarorin da ba a haɗa su a da ba, don haka tumɓuke bishiya na ɗaya daga cikin abubuwan da ke haifar da iyo a cikin gandun daji. Ana ɗaga guntun dutse a matsayin wani ɓangare na tushen taro, waɗanda ke shiga cikin ramukan da aka tumɓuke ko kuma a ƙasa a tsayi mafi tsayi. Tsarin yanayin sanyi na iya yin motsi sama da ƙasa, baya ga tono dabbobi da na ɗan adam. Hakanan za'a iya jigilar tarkacen dutsen zuwa wani shafi da yin fim ɗin hanyarsu zuwa ƙasa. Harkokin sufurin jiragen ruwa a wannan zamani yana faruwa ne saboda hakar ma'adinai, gine-gine, da ayyukan shimfidar ƙasa gabaɗaya. Har ila yau, dutsen rarrafe na iya motsa guntun dutsen da aka samu ta hanyar yanayi na shimfidar shimfidar wuri. 

## Amfani da Mutum
A cikin prehistory, tun a zamanin Paleolithic, mutane da hominids na farko za su sami sauƙi kuma su yi amfani da su a matsayin Kayan aikin dutse, saboda yanayin da suka yadu ta hanyar bayanin ƙasa. Mutanen farko sun yi amfani da su don ƙirƙirar kayan aiki iri-iri da aka yi da dutse na ƙasa ko dutse, kamar yadda Stone Age ya kasance lokacin amfani da kayan aikin dutse. A cikin Tarihin ɗan adam, mutane sun ɗauki dutse don gini da kuma yin wuta da kwanon wuta, a wasu lokuta tare da taimakon Dabbobi na gida. A Tsohon Misira, ana aiki da sauƙi, ana yin duwatsu masu laushi don gini tun farkon 4000 KZ.

A cikin dukiya zamani, masu iyo na iya zama masu tsada don cirewa, kodayake wannan ya dogara da girman su. Koyaya, ginin da aka gina a kansu na iya daidaita tsarin tare da lokaci.

## Gidan wasan kwaikwayo

Fayil:FossilBeach6_DMarshall2017.jpg|alt=Floaters on beach in Sedbury, Gloucestershire| Masu yawo a bakin teku a Sedbury, Gloucestershire
Fayil:Phosphate-rich_sedimentary_rock_(Phosphoria_Formation,_Permian;_Deer_Creek_Valley_area;_Preuss_Range,_Idaho,_USA)_6.jpg|alt=Preuss Range, Idaho, USA| Preuss Range, Idaho, Amurika
Fayil:Sulfidic_dike_intruding_basaltic_lapillistone_(Middle_Tholeiitic_Unit,_Kidd-Munro_Assemblage,_Neoarchean,_2.711-2.719_Ga;_just_east_of_the_Potter_Mine,_east_of_Timmins,_Ontario,_Canada)_(40899745123).jpg|alt=East of Timmins, Ontario, Canada| Gabashin Timmin, Ontario, Kanada
Fayil:Tsherige_Member.jpg|alt=A large tuff floater south of White Rock, New Mexico| Babban tuff mai yawo a kudu da White Rock, New Mexico
Fayil:Typic_Haprendoll_(loamy_over_fragmental,_mixed,_active,_isothermic)_(5468736277).jpg|alt=Limestone floaters in Sri Lanka| Dutsen limestone yana yawo a Sri Lanka
Fayil:Moss,_rocks,_and_bare_soil,_by_Great_Sacandaga_Lake_(2008).jpg|alt=Floaters by the Great Sacandaga Lake in New York| Masu yawo a bakin Babban Tekun Sacandaga a New York
Fayil:Stromatoporoid_fragments_(Ashlock_Formation,_Upper_Ordovician;_Paint_Lick_Elementary_School_outcrop,_Garrard_County,_Kentucky,_USA)_23.jpg|alt=Upper Ordovician floaters in Garrard County, Kentucky| Babban Ordovician yana iyo a cikin Garrard County, Kentucky


## Manazarta