2011
DOI: 10.5935/1984-6835.20110015
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Stimulated Optical Luminescence Applied to Dating Coastal Sediments in Northeastern Brazil

Abstract: Stimulated optical luminescence (SOL) was applied in dating coastal sediments in northeastern Brasil and revealed that the evolution of aeolic deposits in the region can be divided in 4 stages related to climate changes occurred during the quaternary leading to sea level changes, which modeled the coastline since the end of the Higher Pleistocene to present. The first stage dated back from 108,000 ± 11,000 years to 103,000 ± 9.000 anos B.P. (Before Present), but related mas que está relacionado ao máximo da Pe… Show more

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Cited by 2 publications
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“…The sites, pro les and respective facies for sampling were rigorously chosen to avoid mistakes that could underestimate or overestimate the ages, according to Stokes (1999), Murray & Olley (2002), Maia et al (2011), and Guedes et al (2013). Thus, in addition to choosing the driest areas of the alluvial fans, samplings were carried out mostly in winter (mainly June and July), the least rainy/humid period in the region.…”
Section: Methodsmentioning
confidence: 99%
“…The sites, pro les and respective facies for sampling were rigorously chosen to avoid mistakes that could underestimate or overestimate the ages, according to Stokes (1999), Murray & Olley (2002), Maia et al (2011), and Guedes et al (2013). Thus, in addition to choosing the driest areas of the alluvial fans, samplings were carried out mostly in winter (mainly June and July), the least rainy/humid period in the region.…”
Section: Methodsmentioning
confidence: 99%
“…Nas datações por LOE, a incerteza no valor das idades depende das condições de reprodução dos cristais da amostra e é em torno de 10%. A concentração de umidade interfere no percentual de incerteza, sendo que concentrações superiores a 15% podem elevar a incerteza para 20% (MAIA et al, 2011). As amostras D02, D06, D09, D11 e D22 apresentaram valores superiores ao recomendado pela literatura.…”
Section: N4unclassified