949 resultados para cal virgem


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Each issue has a distinctive title.

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[photo from Tournament of Roses Review]

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[photo from Tournament of Roses Review]

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[Cal's Schabarum eludes Koceski and Johnson]

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[Cal's Schabarum eludes Allis and Johnson]

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[Cal's Monachino carries around, Harry Allis (88) and Tom Johnson (76) and Tony Momsen defend]

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Mode of access: Internet.

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Description based on: 1970-1973; title from caption.

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Mode of access: Internet.

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We have made AMS measurements on a series of 10-ring samples from a subfossil Huon pine log found in western Tasmania (42degreesS, 145degreesE). The results show a pronounced rise in Delta(14)C over the first 200 years, and a decrease over the following 160 years. Tree-ring width measurements indicate that this log (catalogue SRT-447) can be cross-dated with another subfossil log (SRT-416) for which a series of high-precision radiometric C-14 measurements have previously been made. When the two tree-ring series are thus aligned, SRT-447 is the older of the two logs, and there is a 139-year overlap. We then have a Huon pine floating chronology spanning 680 years, with C-14 measurements attached. The C-14 data sets agree well within the period of overlap indicated by the tree-rings. The C-14 variations from Huon pine show excellent agreement with those from German oak and pine for the period 10,350-9670 cal BP. Aligning the Huon pine C-14 Series with that from German oak and pine allows us to examine the inter-hemispheric offset in C-14 dates in the early Holocene. (C) 2004 Elsevier B.V. All rights reserved.