aadinootan yug

System Series Stage Age (Ma)
Neogene Miocene Aquitanian younger
Paleogene Oligocene Chattian 23.03–28.1
Rupelian 28.1–33.9
Eocene Priabonian 33.9–38.0
Bartonian 38.0–41.3
Lutetian 41.3–47.8
Ypresian 47.8–56.0
Paleocene Thanetian 56.0–59.2
Selandian 59.2–61.6
Danian 61.6–66.0
Cretaceous Late Maastrichtian older
Subdivision of the Paleogene Period
according to the ICS, as of January 2013.[1]

aadinootan yug (Eocene Period) se star-shail-vigyaan mein ek naya kalp aarambh hota hai, jo 'truteeya kalp' ke naam se vikhyaat hai. khateeyug (Cretaceous Period) ke apaharan mein samast pruthvi par samudri atikraman aur bhoosanchalan ke falasvaroop pruthvi ki samaakruti mein anekaanek parivartan hue. jeev evam vanaspati jagat‌ mein bhi atyadhik parivartan hue. khateeyug ke jeev emonvaayads, reinganevaale jeev praaya: lupt ho gaye aur uske aur unke sthaan par nae jeevon ka praadurbhaav hua. is naveen yug ke areedhdhaariyon mein foraaminifera aur reedhdhaariyon mein stanadhaari varg ke jeevon ka sthaan vishesh hai.

aadinootan yug truteeya kaal ka sarvapratham yug hai. iska samay aaj se lagbhag chhah karod varsh pehle maana jaata hai. is yug ke nichle bhaag ko puraanootanayug (Palaeocene Period) kehte hain, yadyapi yeh vargeekaran saare sansaar ke star-shail-vigyaan mein naheen maana jaata.

anukram

aadinootan yug mein Bhaarat ki bhaumikeeya avastha

kai drushtiyon se is yug ka bhaarateeya star-shail-vigyaan mein vishesh sthaan hai. Bhaarat ki aadhunik samaakruti aur tateeya seemaaeain isi yug mein nirdhaarit hui. uttar mein teyoj saagar ke pratyaavartan ke saath himaalaya parvatamaala ke antargat pratham bhoosanchalan bhi isi kaal mein hue tatha parinaamasvaroop anek sthaanon par aagneya udgaar hue. dakshini Bhaarat ka kshaareeya laava, jo Deccan trap (Deccan trap) ke naam se vikhyaat hai, vishesh roop se iske antargat aata hai.

vistaar tatha vargeekaran

is yug ke shailasamooh sansaar ke praaya: sabhi bade deshon mein milte hain. Bhaarat mein himaalaya parvatamaala ki dakshini chotiyon par, poorv se pashchim tak har sthaan par, is yug ke shail milte hain yadyapi sindh (Pakistan) aur asam mein is pranaali ka vistaar bahut adhik evam poorn hai. aisa mat hai ki himaalaya ki rachana ke samay vahaaain sthit jalasamooh khaadiyon ke roop mein in donon jagahon mein fail gaya, jiske parinaamasvaroop yahaaain is yug ke nikshep poonataya milte hain. Bhaarat ke dakshini praayadveep mein kathiyaavaad, kachh, Gujarat, Rajasthan aur poorvi tat par bhi aadinootan yug ke shailasamooh sthit hain. is yug ke star kaalaanusaar teen avadhiyon mein vibhaajit hain : aadinootan ya puraatan, madhya aadinootan evam oopari aadinootan avadhi : in avadhiyon mein Bhaarat ke vibhinn sthaanon par vibhinn prakaar ke nikshep bane, jo sthaaneeya naamon se vikhyaat hain. in shailasamoohon ka kaalabibhaajan evam kaal-prakaran-samatulyata aage saarani mein dikhaai hai.

aarthik mahatva

is pranaali ke shailasamoohon mein koyala evam tel ke milne se inka vishesh aarthik mahatva hai. in khanijon ke atirikt shail samoohon ka bauksaait (Bauxite), jipsam (Gypsum), namak aur choona patthar bhi is yug ko shilaaon mein sthit hain.

kaal vibhaajan evam kaal-prakaran-samatulyata

shail samoohon ka kaal vibhaajan evam kaal-prakaran-samatulyata

kaal vibhaajan sindh uttar-pashchim Bhaarat asam jeev avashesh
oopari aadinootan (Upper Eocene) kirthar charat shreni jayantiya shreni (Jaintia Series) nyoomoolaait‌aas (Nummulites), graistopauds (Gastropods), ekarnoyads (Echinoids)
madhya aadinootan (Middle Eocene) laaki shreni hil laaimaston (Hill Limestone) ya suvaathoo shail-samooh dishaang shreni (Disang Series) nyoomoolaait‌aas nautils (Nautilus)
pooraanootan (Palaeocene) raaneekot shreni ekinauyads, pravaal, foraaminifera
khateeyug (Cretaceous Period) kaaradita byoomanataai shail khati pranaali ke shailasamooh

baahari kadiyaaain