अंगारा प्रदेश
bhoo-vijnan ke anusar eshiya ke uttari bhag ke prachinatam sthalakhand ko aangara pradesh kahate haian. isaka rajanitik mahatv nahian hai, parantu bhaugolik drishti se isaka adhyayan bahut upayogi hai. is pradesh ki bhoo-vaijnanik khoj abhi apekshakrit kam huee hai. roosi bhoovaijnanikoan ne apane anveshanatmak karyoan dvara ise bahut aanshoan mean lareshiya tatha baltik pradesh ke saman bataya hai. is pradesh ki prishthataliy chattanean kaibiyan poorv ki haian, jinamean ati prachin giri-nirman-sanrachana prapt hai aur inamean prachur matra mean parivartan hua hai. in taliy chattanoan ke oopar kaibiyan yug se lekar 'aantaryugin' (pailiojoik, mesojoik aur kenojoik) chattanoan ka jamav milata hai.
bhaugolik sanrachana
kobar ne roosi vidvanoan ke sadrish hi ise yanisi nadi ke muhane se kraansanoyarskean ko milati huee rekha dvara do pramukh bhagoan mean baanta hai. yanisi nadi ka pashchimavarti bhag nimnastariy maidan hai, jis par aanshat: tritiy kalpik avashay milate haian aur jo uttari mahasagar tal se mil jata hai. yooral parvat ki or samudri jurasik, kriteshas evan poorvakalik tritiy kalpik chattanean milati haian. yanisi nadi ka poorvi bhag bahut aanshoan mean bhinn hai. is bhag mean purakalpayugin chattanoan ka vikas mahadvipiy star par hua hai. ye chattanean pray: kshaitij haian tatha inamean do prachin udvarg anavar aur yenise pramukh haian.
sima nirdharan
is pradesh ki pashchimi sima ka nirdharan kathin hai, parantu isaka brihattam phailav yooral parvat shreniyoan tak milata hai. tamir aantarip ka viranga namak paha d isaki uttari sima nirdharit karata hai aur in paha doan mean sanmit bhanjit sanrachana milati hai. sanbhavat: ye kailidoniyan yug ke haian. lina nadi ke poorv sthir barakhoyansk paha d se isaki poorvi sima aur kraansanoyarskean se baikal jhil tatha yarkunsk ko milane vali rekha dvara isaki dakshini sima nirdharit hoti hai. madhy (mesozoik) tatha tritiy kalpik (tarshiyari) chattanoan se achchhadit hone ke karan dakshin-pashchim mean isaka sima nirdharan kathin hai.
vidvanh matabhed
baikal jhil ke pas chaturdik parvatashreniyoan se ghira hua irakutask ek brihath rangamandal sa jan p data hai. isake pashchim mean sayan parvat aur poorab mean baikal jhil ki shreniyaan phaili huee haian. is kshetr ke vikas ke vishay mean vidvanoan mean gahara matabhed hai. sves ke anusar yah kshetr saiberiyan shild ka prachinatam sthal bhag hai, jisake charoan or aantarakalin vikas hua. roosi vidvanoan ke ne anveshanoan ne is vichar se asahamati prakat ki hai. tatjoan ke anusar turiy yug ka praranbhik kal me shves ka yah tathakathit prachinatam sthal kshetr keval nimnastariy parantu dridh bhag tha, jisamean chau di uthali ghatiyaan aur aganit jhilean thian. at: tatjoan ne is kshetr ko navanirmit sthaliy bhag mana hai aur yah isaka udbhavakal manavakal ke poorv nahian manata. delane ke vichar se bhi kuchh vidvanh sahamat haian. isake anusar yah prachin bhag kailidoniyan yug ka punarutthit kshetr hai, jisamean kaibriyan evan sailooriyan yugoan ki bhanjit chattanean milati haian.
pradesh ki bhinnata
saiberiya ke poorvi maidani bhag mean paramiyan yug ki baisalt chattanean paee jati haian. prastut lava-pravah tatha purakalpiy evan aantarayugin chattanoan ka avasad is pradesh ke prishthataliy chattanoan ko dhake hue haian; is karan yah pradesh svajatiy baltik tatha kanadiyan pradeshoan se bhinn pratit hota hai. yahaan any svajatiy pradeshoan ke sadrish charoan or bhanjit shreniyaan phaili huee haian.[1]
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tika tippani aur sandarbh
- ↑ aangara pradesh (hiandi) bharatakhoj. abhigaman tithi: 8 faravari, 2014.
bahari k diyaan
sanbandhit lekh