Kordiljeri
Kordiljeri su planinski venac koji se prostire duž zapadnog kraja američkog kontinenta od Aljaske do Patagonije (Ognjene zemlje).[1] Čine ga dva velika planinska venca: Stenovite planine u Severnoj Americi i Andi u Južnoj Americi. Kordiljeri takođe predstavljaju okosnicu vulkanskog luka koji čini istočnu polovinu Pacifičkog vatrenog pojasa.
Od severa prema jugu, planinski venac se deli na više manjih venaca. Počinje sa Aljaska i Bruks grupama planina na Aljasci i prolazi kroz Jukon u Britanskoj Kolumbiji. Glavni pojas Stenovitih planina paralelno sa Pacifičkim planinskim masivom nastavlja se kroz Britansku Kolumbiju i ostrvo Vankuver. U Sjedinjenim Američkim Državama grane Kordiljera obuhvataju Stenovite planine,[1] Sijera Nevadu, Kaskadne planine i obalske delove Vašingtona, Oregona i Kalifornije. U Meksiku, Kordiljeri se nastavljaju na Zapadne i Orijentalne Sijera Madre, kao okosnica planinama poluostrva Donja Kalifornija.
Planine od Meksika severno zovu se zajedno Severnoamerički Kordiljeri ili Zapadni Kordiljeri u SAD i Kanadi, a takođe se zovu i Kanadski Kordiljeri ili Pacifički Kordiljeri u Kanadi.
Kordiljeri se nastavljaju kroz planinski masiv u Centralnoj Americi, u Gvatemali, Hondurasu, Nikaragvi, Kostariki i Panami i prelaze u Ande u Južnoj Americi. Andi se, sa svojim paralelnim lancima i lancem ostrva Čilea, nastavljaju u Kolumbiju, Venecuelu, Ekvador, Peru, Boliviju, Argentinu, Čile, do samog kraja Južne Amerike u Ognjenoj zemlji. Pored toga, venac se može pratiti kroz planine zakrivljene Južne Džordžije, preko Južnog okeana do planine Grejem na Antarktiku.
Opis
[uredi | uredi izvor]Severna Amerika
[uredi | uredi izvor]Lanci Kordiljera od Meksika ka severu se zajednički nazivaju Severnoamerički Kordiljeri.[2][3][4][5]
Od severa ka jugu, ovaj niz preklapajućih i paralelnih opsega počinje sa Aljaskim i Bruksovskim vencem[6][7][8] na Aljasci i prolazi kroz Jukon u Britansku Kolumbiju. Glavni pojas Stenovitih planina, zajedno sa paralelnim planinama Kolumbija i Obalskim vencima planina i ostrva, nastavlja se kroz Britansku Kolumbiju i ostrvo Vankuver. U Sjedinjenim Državama, ogranci Kordiljere obuhvataju Stenovite planine, Sijera Nevadu, Kaskade, i razne male Pacifičke obalske vence.[9] U Meksiku, Kordiljeri se nastavljaju kroz Zapande Sijera Madre i Sijera Madre Orijental, kao i kroz planine okosnice poluostrva Baja Kalifornija.[10]
Kordiljeri se nastavljaju kroz planinske lance Centralne Amerike u Gvatemali, Hondurasu, Nikaragvi, Kostariki i Panami i postaje venac Anda u Južnoj Americi.
Južna Amerika i Antarktik
[uredi | uredi izvor]Kordiljeri, nastavljajući kroz Centralnu Ameriku, nastavlja se kroz Južnu Ameriku, pa čak i na Antarktik. U Južnoj Americi, Kordiljeri su poznati kao planine Andi. Andi sa svojim paralelnim lancima i ostrvskim lancima uz obalu Čilea nastavljaju se preko Kolumbije, Venecuele, Ekvadora, Perua, Bolivije, Argentine i Čilea do najjužnijeg vrha Južne Amerike u Ognjenoj zemlji. Kordiljeri se nastavljaju duž Škotskog luka pre nego što stignu do planina Antarktičkog poluostrva.[11]
Reference
[uredi | uredi izvor]- ^ a b „Historical Geology Notes - The Breakup of Pangea and Deformation in the Western Cordillera”. Long Island University, C.W. Post Campus faculty website. Arhivirano iz originala 1. 10. 2011. g. Pristupljeno 25. 6. 2011.
- ^ R. Saager; F. Bianconi (1971). „The Mount Nansen gold–silver deposit, Yukon territory, Canada”. Mineralium Deposita. 6 (3): 209. Bibcode:1971MinDe...6..209S. S2CID 129092271. doi:10.1007/BF00208030.
- ^ D. S. Cowan (1985). „Structural styles in Mesozoic and Cenozoic melanges in the Western Cordillera of North America”. Geological Society of America Bulletin. 96 (4): 451. Bibcode:1985GSAB...96..451C. doi:10.1130/0016-7606(1985)96<451:SSIMAC>2.0.CO;2.
- ^ Melanie Ostopowich (2005). The Cordillera. Spoljašnja veza u
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- ^ „Download Geographical Names Data”. www.nrcan.gc.ca. 2011-06-02. Pristupljeno 23. 4. 2018.
- ^ „Pacific mountain system”. Britannica Online Encyclopedia. Encyclopædia Britannica. Pristupljeno 2007-09-29.
- ^ „Spain's Fantastic Vision and the Mythic Creation of California” (PDF). Arhivirano iz originala (PDF) 2017-05-25. g. Pristupljeno 2017-01-31.
- ^ „The North American Cordillera: A Color Shaded-Relief Map in Oblique Mercator Projection About the Pacific-North America Pole of Rotation, Scale Circa 1:5,000,000”. pubs.usgs.gov. Pristupljeno 26. 4. 2017.
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Spoljašnje veze
[uredi | uredi izvor]- Rebekah K. Nix. „The Gulf of California: A Physical, Geological, and Biological Study” (PDF). University of Texas at Dallas. Pristupljeno 10. 4. 2010.
- Ramsayer, Kate (6. 8. 2017). „NASA Studies Details of a Greening Arctic”. NASA.gov. Arhivirano iz originala 01. 04. 2023. g. Pristupljeno 01. 04. 2023.