shaunavan gathan

shaunavan gathan paschimi kanadai talchhati besin mein bathonian yug kii ack stareekrit ikai haye. 
iska naam shaunavon shahar seey liya gayaa haye, aur pahali baar iska varnan "tidewater aeye" mein kiya gayaa thaa.oh. east aind crown nam. 1 "achchi tarah seey, basti key dakshin-paschim mein, aar dwara drill kiya gayaa.ell. milner aur jee.ee. 1954 mein thomas.
lithology.
shaunavan gathan dou sadasyon seey banaa haye. nichale sadasya mein nichale bhaag mein buff microcrystalline vishal choona patthar hotaa haye jisake sheersh parr ack oolitik bistar hotaa haye. oopari sadasya mein chunane yogya balua patthar aur oolitik choona patthar, shale kokwina aur gray aur green shale key interbed key saath argilasius choona patthar hotey hain. 
donon sadasyon mein dolometisation hoe sakata haye. talchhat tootane seey alag kiye gaye lenticular bedd oopari sadasya mein aam hain. channel oopari shonwone mein bhee hotey hain.
hydrocarbon utpaadan.
dakshin-paschimi saskatchevan mein shaunavon gathan seey tail kaa utpaadan hotaa haye.
vitaran.
shonwan kaa gathan adhikatam motai taka pahunch jaataa haye. yeh dakshin-paschimi saskatchevan mein upa-satah mein hotaa haye. williston besin mein yeh montana aur uttari dakota mein sotooth gathan aur piper gathan key nichale hisse key roop mein dikhaai detaa haye. weburn key poorv mein, yeh manitoba key melita gathan key shally pahaluon mein shrenibaddh hotaa haye.
anya ikaaiyon key saath sambandh.
shounwone gathan sotooth gathan dwara anuroop roop seey aachchhaadit haye aur anuroop roop seey bajari key gathan koo aachchhaadit kartaa haye.
yeh dakshini alberta mein sotooth gathan key saath-saath montana mein piper gathan key dhanush sadasya aur agni chandrama sadasya key barabar haye.

