Eastend Formation - Eastend Formation

Eastend Formation
Stratigrafik diapazon: Maastrixtiy
TuriGeologik shakllanish
AslidaFrantsuz shakllanishi
Whitemud shakllanishi
Haddan tashqariBearpaw shakllanishi
Qalinligi30 metrgacha (100 fut)[1]
Litologiya
BirlamchiQumtosh
BoshqalarSlanets
Manzil
Koordinatalar49 ° 30′17 ″ N 108 ° 50′15 ″ Vt / 49.50461 ° N 108.83756 ° Vt / 49.50461; -108.83756 (Eastend Formation)Koordinatalar: 49 ° 30′17 ″ N 108 ° 50′15 ″ Vt / 49.50461 ° N 108.83756 ° Vt / 49.50461; -108.83756 (Eastend Formation)
MintaqaWCSB
Mamlakat Kanada
Bo'limni kiriting
NomlanganEastend, Saskaçevan
NomlanganL.S. Rassel, 1932 yil

The Eastend Formation a stratigrafik birligi Maastrixtiy yoshi ichida G'arbiy Kanadaning cho'kindi suv havzasi. Uning ismini shaharchadan olgan Eastend, Saskaçevan, va birinchi marta L.S. Rassell 1932 yilda.[2] Keyinchalik turar joyni shaharning janubi-g'arbiy qismida V.O. Kupsh 1956 yilda.[3]

Litologiya

Eastend Formation litikadan iborat qumtosh vulkanik donalari, konkretsion qatlamlari va yashil-kulrang bilan slanets ko'rpa-to'shaklar.[1]Ko'mir yotoqlari topilgan Alberta janubi.

Tarqatish

Eastend Formation Eastend shahri yaqinida 30 metr (100 fut) qalinlikka etadi.[1] U shimoliy va sharqda eroziyalangan, bu erda Frantsuz shakllanishi to'g'ridan-to'g'ri ustida yotadi Bearpaw shakllanishi.

Boshqa birliklar bilan munosabatlar

Eastend Formation-ni mos ravishda qoplaydi Whitemud shakllanishi va asta-sekin Bearpaw shakllanishi.[1] In Frantsuz daryosi vodiysi, Eastend Formation hisoblanadi erozional ravishda bilan qoplangan Frantsuz shakllanishi.

Bu tengdir Meri daryosining shakllanishi va Nal kanyonining shakllanishi yilda Alberta janubi, shuningdek Fox Hills Formation yilda Montana va Shimoliy Dakota.

Adabiyotlar

  1. ^ a b v d Kanada geologik birliklari leksikoni. "Shakllanish". Olingan 2010-01-01.
  2. ^ Rassell, L.S., 1932. Alberta davrining bo'r-uchlamchi o'tishi. Trans. Kanada qirollik jamiyati, Ser 3, v. 26, s. 4, p. 121-156.
  3. ^ Kupsch, W.O., 1956. Frantsiyalik Sharqiy Cypress Hills shakllanishi, Saskaçevan, Kanada. Amerika Geologik Jamiyati Buqa. 6a, p. 413-420.