Bamba la Nazca : Tofauti kati ya masahihisho
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d Kipala alihamisha ukurasa wa Nazca-Platte hadi Bamba la Nazca |
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[[Picha:NazcaPlate.png|300px|thumb|Bamba la Nazca]]
'''Bamba la Nazca''' ni moja ya [[mabamba ya gandunia]] yaani vipande vya miamba vinavyounda [[ganda la Dunia]]. Bamba hili limepokea jina lake kutokana na mji wa bandari wa [[Peru]] wa [[Nazca]].
Bamba la Nazca liko mbele ya pwani la magharibi la [[Amerika ya Kusini|Amerika Kusini]]. Ni moja ya mabamba yanayofunikwa kabia na [[Bahari kuu|bahari]],
Bamba hilo lina mwendo kuelekea polepole upande wa mashariki, linapogongana na [[Bamba la Amerika ya Kusini|bamba la Amerika Kusini]] ambalo ni bamba la kibara. Katika mgongano huo bamba la Nazca lilisukumwa chini ya bara la Amerika Kusini na kuzama hapo kwenye [[koti la Dunia]].
Tabia ya kawaida ya maeneo haya ni [[Tetemeko la ardhi|matetemeko ya ardhi]] ya kina kikubwa cheye vitovu vya mita mamia<ref>Darwin Gap quake will shake Chile again [https://www.newscientist.com/article/dn20048-darwin-gap-quake-will-shake-chile-again.html], New Scientist, 30 Jan 2011, accessed 8 Feb 2011.</ref>.
Kwenye mpaka ambako bamba moja linazama hutokea [[mifereji ya bahari]] kama vile Mfereji wa Atacama (kina hadi mita 8,065) na Mfereji wa Peru (kina hadi m 6369). Wakati huo huo, bara la Amerika Kusini liliinuliwa. Kama matokeo ya kusogezwa kwa mabamba [[milima ya Andes]] ilikunjwa kwenye pwani la magharibi ya Ameria Kusini hadi kimo cha mita 6,962.
== Mipaka ==
Kwa upande wa kaskazini, bamba la Nazca linapakana na [[ Cocos |bamba la Cocos]], upande wa magharibi na [[bamba la Pasifiki]] na upande wa kusini na [[bamba la Antaktiki]]. Kwenye mashariki, linakutana na bara la Amerika Kusini likizama chini yake.
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<references />
== Marejeo mengine ==
*[http://www.extremescience.com/PlateTectonicsmap.htm Extreme Science site: "A Lesson in Plate tectonics"] The basics explained.
*[http://www.earth.columbia.edu/news/2002/story12-05-02.html Galapagos rise junction (map)]
*[http://www.pmel.noaa.gov/vents/s-epr.html Juan Fernandez and Easter microplate (map)]
*Muawia Barazangi and Bryan L. Isacks, "Spatial distribution of earthquakes and subduction of the Nazca plate beneath South America" in ''Geology'' Vol. 4, No. 11, pp. 686–692. [http://www.gsajournals.org/gsaonline/?request=get-abstract&doi=10.1130%2F0091-7613(1976)4%3C686:SDOEAS%3E2.0.CO%3B2 Abstract]
*Mark Andrew Tinker, Terry C. Wallace, [[Susan L. Beck]], Stephen Myers, and Andrew Papanikolas, "Geometry and state of stress of the Nazca plate beneath Bolivia and its implication for the evolution of the Bolivian orocline" in ''Geology'' '''24'''(5), pp. 387–390 [http://www.gsajournals.org/gsaonline/?request=get-abstract&doi=10.1130%2F0091-7613(1996)024%3C0387:GASOSO%3E2.3.CO%3B2 Abstract]
*Cahill, T. and B. Isacks (1992). "Seismicity and shape of the subducted Nazca plate." ''Journal Geophysical Research'' '''97''' (12)
*James, D. (1978). "Subduction of the Nazca plate beneath Central Peru." ''Geology'' '''6''' (3) pp 174–178
*[http://www-odp.tamu.edu/publications/170_SR/VOLUME/CHAPTERS/SR170_07.PDF Martin Meschede and Udo Barckhausen, "Plate tectonic evolution of the Cocos-Nazca spreading center"]
{{Tectonic plates}}
{{Central America plates}}
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[[Jamii:Gandunia]]
[[Jamii:Pasifiki]]
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