Below are descriptions of 6 samples, with known ages expressed as either

Question # 00114161 Posted By: solutionshere Updated on: 10/07/2015 01:31 PM Due on: 11/06/2015
Subject Geology Topic General Geology Tutorials:
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Below are descriptions of 6 samples, with known ages expressed as either AD or BC (also called BCE). Convert these dates to BP dates (using 1950 as "the present.") Also, convert the three estimates of C-14 years in the second table to BP dates.
Some materials with known ageBP Age
1.Douglas Fir tree rings - excavated from a cave in Arizona. Date: 577 ± 50 years AD
2.Wood from Egyptian coffin - from the Ptolemic period based on style. Date: 200 ± 150 years BCE
3.Wood fragments from the floor of a palace in Syria - Syro-Hittite period. Date: 675 ± 50 years BCE
4.Giant Sequoia tree rings from California. Date: 979 ± 52 years BCE
5.Cedar of Lebanon fragments from funeral boat of Egyptian King Sesostris III. Date: 1843 ± 50 years BC
6.Wood from the tombs of Egyptian Kings Sneferu and Zoser. Average Date: 2650 ± 75 years BCE
Assuming this is 1999, convert these ages into BP dates. Example: an article that's 1000 years old has a BP age of 951.[BP = Age - (Today -1950) = 1000-(1999-1950) = 951]
AgeBP Date
7.Wood from Bristlecone Pine of White Mountains, California. Age 4731 ± 75 years
8.Pleistocene mammoth bone from La Brea Tar Pits of Los Angeles, California. Age: 12,200 ± 35 years
9.Cottage roof timber from Ireland. Date: 906 ± 35 years

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  1. Tutorial # 00108597 Posted By: solutionshere Posted on: 10/07/2015 01:31 PM
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    of a palace in Syria ...
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