(a) Complete the table by calculating the accretion rates of total carbon and organic carbon for each type of object listed.

Applications and Investigations in Earth Science (9th Edition)
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Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Chapter1: The Study Of Minerals
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(a) Complete the table by calculating the accretion rates
of total carbon and organic carbon for each type of
object listed.
Transcribed Image Text:(a) Complete the table by calculating the accretion rates of total carbon and organic carbon for each type of object listed.
Table 1.7 Accretion rates on Earth today.
Sources
Mass range /kg
Mass accretion rate
Carbon %
Carbon
(estimated) /106 kg yr-l
accretion rate /106kg yrl
meteoritic matter
meteors (from comets)
10-17 to 10-!
16.0
10.0
meteorites
10-2 to 10$
0.058
1.3
crater-forming bodies
105 to 1015
62.0
4.2
unmelted material contributing
organic matter
meteors (from comets)
10-15 to 10-9
3.2
10.0
meteorites, non-carbonaceous 10-2 to 105
2.9 x 10-3
0.1
meteorites, carbonaceous
10-2 to 105
1.9 × 10–4
2.5
Transcribed Image Text:Table 1.7 Accretion rates on Earth today. Sources Mass range /kg Mass accretion rate Carbon % Carbon (estimated) /106 kg yr-l accretion rate /106kg yrl meteoritic matter meteors (from comets) 10-17 to 10-! 16.0 10.0 meteorites 10-2 to 10$ 0.058 1.3 crater-forming bodies 105 to 1015 62.0 4.2 unmelted material contributing organic matter meteors (from comets) 10-15 to 10-9 3.2 10.0 meteorites, non-carbonaceous 10-2 to 105 2.9 x 10-3 0.1 meteorites, carbonaceous 10-2 to 105 1.9 × 10–4 2.5
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