Dutsen laka
 Dutsen laka | |
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| Bayanai | |
| Ƙaramin ɓangare na | Dutsen Volcano da mound (en)  |
Dutsen laka ko kuma dutsen laka wani nau'in ƙasa ne da fashewar laka ko ruwa, iskar gas da iskar gas suka haifar. [1] [2] [3] Tsarin ƙasa da dama na iya haifar da samuwar aman wuta na laka. Dutsen laka ba dutsen mai aman wuta ba ne na gaske domin ba sa samar da lawa kuma ba lallai bane ayyukan sihiri su ke haifar da shi. Dutsen laka mai aman wuta na iya girma daga ƙasa da tsayin mita ɗaya da kuma faɗin mita 1 ko 2, zuwa tsayin mita 700 da faɗin kilomita 10. [4] Ƙananan fitar da laka wani lokaci ana kiransa da tukwane masu laka .
Lakar da dutsen mai aman wuta ke samarwa galibi ana samar da ita ne a matsayin ruwan zafi, wanda aka dumama shi a ƙasan Duniya, yana fara haɗuwa da ma'adinan ƙasa, don haka yana haifar da fitar da laka. Ana tilasta wannan kayan sama ta hanyar matsalar ƙasa ko tsagewa saboda rashin daidaiton matsin lamba a ƙarƙashin ƙasa. Ana danganta aman wutar laka da yankunan da ke ƙarƙashin ruwa kuma an gano kimanin 1100 a ƙasa ko kusa da ita. Masana kimiyya sun yi imanin cewa akwai sama da 10,000 a duniya.[ana buƙatar hujja] Zafin kowace dutsen mai aman wuta mai aiki gabaɗaya yana nan a miƙe kuma yana ƙasa da yanayin zafi na yau da kullun da ake samu a cikin dutsen mai aman wuta mai kama da wuta. Yanayin zafin dutsen mai aman wuta zai iya kaiwa daga digiri 100 °C (212 °F) zuwa lokaci-lokaci 2 °C (36 °F), wasu ana amfani da su azaman "wanka laka" masu shahara.
Kimanin kashi 86% na iskar da ake fitarwa daga waɗannan gine-ginen methane ne, tare da ƙarancin iskar carbon dioxide da nitrogen da ake fitarwa. Kayan da aka fitar galibi su ne sinadari mai laushi da aka rataye a cikin ruwa wanda zai iya ƙunsar cakuda gishiri, acid da hydrocarbons daban-daban.
An gano yiwuwar aman wuta mai aman wuta a duniyar Mars .
Cikakkun bayanai
[gyara sashe | gyara masomin]
Dutsen laka na iya zama sakamakon wani tsari mai hudawa da aka ƙirƙira ta hanyar diaper mai matsin lamba wanda ke lalata saman Duniya ko ƙasan teku. Yanayin zafinsu na iya zama ƙasa kamar wurin daskarewar kayan da aka fitar, musamman lokacin da iska ke haɗuwa da ƙirƙirar ma'ajiyar hydrocarbon clathrate hydrate . Ana danganta aman wuta da laka da ma'adanin man fetur da yankunan da ke samar da tectonic da kuma bel ɗin orogenic ; iskar gas ɗin hydrocarbon sau da yawa suna fashewa. Haka kuma ana danganta su da aman wuta na lava ; idan aka yi la'akari da irin wannan kusanci, aman wuta na laka suna fitar da iskar gas mara ƙonewa, gami da helium, yayin da aman wuta na laka kaɗai ke fitar da methane .
Manazarta
[gyara sashe | gyara masomin]- ↑ Mazzini, Adriano; Etiope, Giuseppe (May 2017). "Mud volcanism: An updated review". Earth-Science Reviews. 168: 81–112. Bibcode:2017ESRv..168...81M. doi:10.1016/j.earscirev.2017.03.001.
|hdl-access=requires|hdl=(help) - ↑ Kopf, Achim J. (2002). "Significance of mud volcanism". Reviews of Geophysics. 40 (2): 1005. Bibcode:2002RvGeo..40.1005K. doi:10.1029/2000rg000093. S2CID 21707159.
- ↑ Dimitrov, Lyobomir I (November 2002). "Mud volcanoes—the most important pathway for degassing deeply buried sediments". Earth-Science Reviews. 59 (1–4): 49–76. Bibcode:2002ESRv...59...49D. doi:10.1016/s0012-8252(02)00069-7.
- ↑ Kioka, Arata; Ashi, Juichiro (28 October 2015). "Episodic massive mud eruptions from submarine mud volcanoes examined through topographical signatures". Geophysical Research Letters. 42 (20): 8406–8414. Bibcode:2015GeoRL..42.8406K. doi:10.1002/2015GL065713.