NDLI: HyPOGENE POINT KARSTIFICATION ALONG wADI SIRHAN GRABEN (JORDAN): A SIGN OF OILFIELD DEGASSING?

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HyPOGENE POINT KARSTIFICATION ALONG wADI SIRHAN GRABEN (JORDAN): A SIGN OF OILFIELD DEGASSING?

Content Provider	Semantic Scholar
Author	Al-Malabeh, Ahmad Kempe, Stephan
Copyright Year	2012
Abstract	Izvleček UDK 551.435.84(569.5) Ahmad Al-Malabeh & Stephan Kempe: Zakrasevanje ob vadiju Sirhan Graben (Jordanija): Posledica razplinjanja naftnih polj? čeprav je v Jordaniji veliko območje apnencev, je tam malo poznanih jam. V članku obravnavamo jame vzdolž vadija Sirhan Graben, ki so očitno nastale s podornim višanjem stropov hipogenih votlin. Jama Uwaiyed je majhna podorna dvorana v bazaltu vulkana Naslet Al-Dhirwa. Beer Al-Malabeh je velika udornica zvonaste oblike, ki se je verjetno geološko nedavno odprla na površje. V članku obravnavamo procese nastanka teh jam. Stratigrafski podatki iz naftnih vrtin kažejo, da pod jamami ni solnih plasti, plasti sadre pa so debele do 4 m, kar je verjetno premalo, da bi jih povezovali z nastankom opisanih jam. Kot možen proces ostane raztapljanje dvigajoče se vode obogatene s H2S ali CH4, ki izvirajo iz spodaj ležečih naftnih polj. V območju nivoja podtalnice lahko bakterijska oksidacija raztopin ustvari dovolj korozivnosti za nastanek velikih votlin. Na območju je znanih več podornih struktur, ki so lahko rezultat podiranja takih votlin. Prav tako pa je podiranje možen vzrok, da v jugovzhodni Jordaniji ni veliko drugih jamskih objektov. Ključne besede: Jordanija, hipogene jame, udornice, naftna polja, metan.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://ojs.zrc-sazu.si/carsologica/article/viewFile/46/38
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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