Giant bishiyoyi da sababbin nau'in a kasan ramin tare da zurfin mita 192
Masana kimiyyar kasar Sin sun gano wasu nau'ikan dabbobi da tsirrai da ba a san su ba a kasan wani rami a yankin Guangxi, gundumar Lue da ke kudancin kasar Sin, in ji jaridar Guardian a kwanan baya.
Yayin da suke binciken kogwanni 30 a yankin, masanan speleologists sun gano rami mafi girma a yankin - samuwar karst, rami mai kusan bangon tsaye - tsayin mita 300, faɗin mita 150 da zurfin mita 192.
Rundunar Guangxi 702 Honging Expedition Team ta gano abin ta hanyar amfani da hotunan tauraron dan adam. Ramin yana bakin kogin Fugui na karkashin kasa a gundumar Lue. A ranar 2 ga watan Mayu, Zhang Yuanhai, babban injiniya a cibiyar nazarin yanayin kasa ta kasar Sin ta Karst, ya je wurin domin tabbatar da hakan.
A ranar 6 ga watan Mayu, tawagar mambobi 8 na wannan balaguron kimiyya, wanda ya kunshi masu bincike daga cibiyar Karst Geology na binciken yanayin kasa ta kasar Sin da tawagar balaguron kogon Guangxi 702, sun tashi zuwa wurin da ke cikin rami mai zurfi.
Tawagar masu binciken kimiyya sun sauko dutsen tsawon mita 100 kuma bayan wasu sa'o'i kadan na gangarowa daga karshe sun kai matsayi mafi karanci a kasan ramin. A can yana rarrafe a hankali a kasa, yana ratsawa ta wani katafaren dajin karkashin kasa mai hade da kurangar inabi.
Chen Lixin, shugaban tawagar balaguron kogon Guangxi 40 ya ce "Tsoffin bishiyoyin da suka fi maida hankali zuwa saman ramin suna da tsayin kusan mita 702, kuma shuke-shuken inuwa sun kusa rufe kafadunmu."
"Ba zan yi mamakin sanin cewa akwai nau'ikan da aka samu a cikin waɗannan kogo waɗanda kimiyya ba ta taɓa ba da rahoto ko bayyana su ba," in ji Lisin ga The Guardian.
“An sassaƙa manyan buɗaɗɗiya guda uku a cikin bangon ramin, waɗanda aka yi imanin cewa ragowar kogo ne a farkon farkon juyin halittar karst. A kasan ramin akwai tsarin gandun daji na budurwowi, wanda ke boye dimbin duwatsun da suka ruguje. Zhang Yuanhai, babban injiniya a cibiyar nazarin yanayin kasa ta kasar Sin ta Karst, ya ce "Ko wannan shaida ce ta juyin halitta ko kuma a'a, shi ma wani yanayi ne na musamman bayan samuwarsa wanda ke da kimar kimiyya da shahararriyar kimiyya."
Ta fuskar yanayin ƙasa, abyss babban rami ne na karst tare da keɓancewar sararin samaniya da halaye, kamar manya-manyan ƙira, ganuwar dutse mai tsayi da zurfin siffa mai siffa ta tsaye ko mai siffar ganga. Abyss yawanci yana tasowa ne a cikin duwatsu masu narkewa na kauri mai girma da zurfin ruwa, yana kaiwa ƙarƙashin ƙasa ko zuwa sama, tare da matsakaicin faɗi da zurfin sama da mita 100, kuma galibi ana haɗa ƙasa da kogunan ƙarƙashin ƙasa.
Lardin Leye na wani yanki ne na karst a kudancin kasar Sin. Wannan shine wurin da mafi girman rukunin masu nutsowa a duniya suke, yankin ana kiransa da “Gidan Tarihi na Duniya na Divers”. Ya zuwa yanzu, adadin masu nutsewa a gundumar Lue ya karu zuwa 30.
Hasashen da Lisin ya yi game da sabbin nau'o'in halittu na iya zama gaskiya, saboda keɓance mahalli a duniya sun daɗe da ƙirƙirar tsire-tsire masu ban sha'awa, na musamman da dabbobi waɗanda suka dace da yanayin halittarsu. Tsibirin Galapagos watakila shine misali mafi shahara, akwai nau'ikan 'yan asalin da ba'a samun su a ko'ina.
Sources:
Masanan Kimiyya sun Gano Tsohon Dajin a Kasa na Gigantic Sinkhole, Futurism
Guangxi Leye ya gano Xintiankeng mai zurfin mita 192, www.xv
Lura: Ta yaya ramin ya kasance?
Samar da ruwan wanka dole ne ya hadu da yanayi daban-daban lokaci guda.
Mafi mahimmanci sune halayen dutse. Na farko, kauri daga saman dutsen ƙasa dole ne ya isa don samar da isasshen sarari don samuwar rami. Na biyu, kauri na vadose zone (dutse mai dauke da gas) dole ne ya zama babba. Na uku, dutsen dutse dole ne ya kasance daidai da saman duniya.
Abu na biyu shine yanayin yanayin ruwa. Na farko, matakin ruwan kogin karkashin kasa dole ne ya kasance mai zurfi. Na biyu, ruwan sama dole ne ya kasance mai girma, kuma magudanar ruwa da karfin kogin karkashin kasa dole ne su yi girma da zai iya wanke duwatsun da suka fadi. Bugu da ƙari, taimako dole ne ya dace da rushewar yadudduka na dutse.
Dangane da nau'in jinsin, za a iya raba raƙuman ruwa zuwa nau'i biyu - ta hanyar rushewa ko ta hanyar yashwa. Samuwar ramin da ya ruguje ya kasu kashi uku: kogin karkashin kasa, dakin da ya ruguje da bude ramuka a cikin rufin. Nau'in nutsewar yashwa yana samuwa ne ta hanyar ci gaba da yashewa da fadada kwararar ruwan saman da zurfafa ci gaba a cikin Layer na duwatsun carbonate.
Sunan halittar karst abyss ya fito daga Croatian da Slovenia. Ya fito ne daga kalmar Proto-Slavic "nora", ma'ana rami, rami, tuddai.
Wurare da yawa a kudu maso gabashin Turai (Croatia, Czech Republic, Hungary, Romania, Montenegro, Slovenia) ana kiran su Ponor saboda buɗewar karst da ke da alaƙa. A Bulgaria wannan dutsen Ponor ne kusa da Lakatnik.
Hoto: Masu binciken kogon sun gamu da wani rami a gundumar Leye. Tsawonsa ya kai mita 306, fadinsa mita 150 da zurfin mita 192. Credit: news.hsw.cn
