Nau'in folds: anticline da syncline

Jakunkuna

Lokacin da muke magana game da yanayin kasa muna magana ne game da tsari da yanayin dunkulen kasa, babu makawa a yi maganar dunkulen wuri. Filadi sune tsarin da aka fi sani wanda yake shafar duk kayan ilimin ƙasa. Mafi sani sune anticline da aiki tare. A saboda wannan dalili, za mu keɓe wannan labarin gabaɗaya don magana game da sifofi da mahimmancin nau'ikan ninki da halayensu.

Idan kana son karin bayani game da layin layi da daidaitawa, wannan shine post naka.

Menene folds

Juyin ƙasa

Fadi ba komai bane face wasu tsaruka wadanda ake samu sakamakon lalacewar kayan kasa. Yana da mahimmanci a ƙara cewa waɗannan tarin kayan ba sa haifar da karaya. Wadannan tsarukan sunadaran sunadaran ne ta hanyar nakasar filastik wacce ake samu ta hanyar matsin lamba na wasu matsalolin tectonic, duka matsi da haɓaka.

Idan muka tuna duk abinda ya shafi Farantin Tectonic zamu iya ganin cewa ɓawon burodin ƙasa yana da faranti daban-daban kuma ba a gyara su. Akwai kira isar ruwa na alkyabbar da ke sanya faranti suna ci gaba kuma wannan shine dalilin da yasa nahiyoyin ke ci gaba da motsi. Sabili da haka, ana ƙirƙirar ninƙashin ne saboda wanzuwar abubuwa daban-daban tare da filastik ko halin lalacewa kamar duwatsu masu laushi.

Sassan ninki

Kowane ninka yana da bangarori masu mahimmanci daban-daban don nazari. Lanungiyoyin jiragen saman jirgi ne na gefe waɗanda ke samar da ninka. Ana buƙatar flanks 2 don samar da ninki. Ana iya fassara wannan ɓangaren yayin da kake bin farfajiyar inda kayan suke.

Wani bangare na ninki shine axis ko hindu kuma layin ne wanda yayi daidai da babban lanqwasa na ninki kuma an samar dashi ta hanyar tsakaita tsakanin bangarorin da bangarori daban-daban ko kuma shimfidar madaidaiciya. Jirgin saman axial wani bangare ne na ninki kuma an kafa shi ne ta hanyar mahaɗar tsakanin layukan axes na kowane layin na ninka. Ya danganta da jirgin saman axial na kowane ninki, zai sami kusurwa daban-daban.

Rarraba na folds

Nau'in folds

Yanzu zamuyi magana game da nau'ikan ninki daban-daban gwargwadon yanayin su da yanayin su. Akwai hanyoyi da yawa don rarrabe ninka kuma mafi mahimmanci sune waɗanda ke da alaƙa da hanyar da manyan abubuwa ke fuskantar su. Jirgin saman axial, axis da kuma kwana tsakanin flanks shine yasa banbanci tsakanin wani nau'in ninka da wani.

Rarrabawar farko da muke da ita gwargwadon fasalinta. An rarraba wannan rarrabuwa zuwa: anticline da synclinal ninka. Hakanan akwai madaidaicin sikeli. Rarrabuwa na biyu ya ta'allaka ne akan tsaka-tsakin jirgin saman axial: anan muna da juzu'i, juji da kwanciya. Dangane da ragowar ninka muna da masu kwano da kwali.

Wani nau'in rarrabuwa wanda ba'a yadu dashi ba shine waɗanda suke amfani da kusurwa tsakanin gabobin. Anan muna da wadannan ninki:

  • Raunƙƙƙiyar rauni, kusurwar tsaka-tsaka ta fi 120 °
  • Bude madaidaiciya, kusurwa ta tsakiya 70 ° zuwa 120 °
  • Kusa ninka, 30 ° zuwa 70 ° kusurwa ta tsakiya
  • Kunkuntar ninka, 10 ° zuwa 30 ° kusurwa ta tsakiya
  • Isoclinal ninka, kusurwar tsakiya = 0 °

Anticline da daidaitawa

Anticline ninka

Alamar mahada ta sabawa tana kasancewa ne da samun yanayin kamala zuwa sama. Wannan saboda ƙananan kayan da suka haɗa ninki suna saman, yayin da tsofaffi ke ƙirƙirar ainihin. Akwai lokuta lokacin da baza mu iya sanin shekarun kayan kuma a cikin waɗannan halayen yana da kyau mu sanya wa wannan tsarin suna kamar haka antiform.

A gefe guda, muna da haɗin aiki tare. Babban halayyar sa shine cewa yana da hankali zuwa saman. Wannan saboda ƙananan kayan sune a cikin ainihin, yayin da waɗanda suka girme su ke samar da ƙasan. Kamar yadda yake tare da ninki mai tsini, idan ba mu san shekarun kayan ba, zai fi kyau a kira wannan tsarin kamar mara siffa.

Lokacin da muke rarraba wani nau'i na ninka bisa ga tsoma jirgin saman axial dole ne muyi la'akari da irin kusurwar da muke da ita. A cikin waɗannan sharuɗɗan muna samun sassauƙa, jujjuya, juji da juji. Duk waɗannan folds suna da kewayon tsakanin 0 digiri da 90 digiri.

Symmetric folds sune wadanda inda kusurwar da jirgin saman axial ya kafa yayi daidai a bangarorin biyu. A wannan yanayin, kusurwar da yake yi tare da jirgin saman axial yana tsaye. Sauran nau'in ninki yana karkata ne ta yadda daya daga cikin bangarorin yana da kusurwa mafi girma game da dayan.

Ilimin halittar jiki na anticline da synclinal ninka

Yin aiki tare

Zamu fara bayanin ragowar masu lankwasawa. Yana da cibiyarsa tare da daidaitaccen sifa. Bangarorin biyu na anticline suna nuna kwatance daban daban. Taungiyar ta kasance har abada ga flanks. Daga tsakiya zuwa gefen gefen manteo yana ƙaruwa a hankali. Manteo, duk da haka, a cikin tsakiyar karami ne ko sifili.

Muna ci gaba da bayanin tsarin aiki tare. Cibiyar ita ce wata alama ta alama. Bangarorin biyu na aikin daidaitawa suna nuna kwatance daban-daban. Yadudduka na ciki koyaushe suna jingina zuwa tsakiya. Manteo, a wannan yanayin, shi ma sifili ne. Arami mafi girma ya bayyana a tsakiya kuma mafi tsufa ya kasance a kan flanks.

Don iya ganin waɗannan ninki a cikin taswirar ilimin ƙasa yana da sauƙi kamar gano maimaita maimaita abubuwa na kayan dangane da tsakiya. Wannan shine mahaɗan jirgin saman axial tare da yanayin yanayin ƙasa. A cikin wannan maimaitawar kayan aiki daidai ba dole bane muyi laakari da yadda kayan suka yi yawa. Wannan shi ne saboda scratchiness da surface kauri daga cikin kayan Ya dogara da darajan tsoma da kayan suka yi da kuma yanayin da muke ciki.

Kamar yadda kake gani, duk batun folds wani abu ne mai rikitarwa. Ina fatan na taimaka wajen gano bakin zaren da kuma daidaita aiki a kan taswirar kasa.


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