Preservation of ancient and fertile lithospheric mantle beneath the southwestern United States.
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Additional excerpts
...eastern Greenland (see [8] for data sources)....
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...Peridotite xenoliths from the Mojavia terrane in the southern Basin and Range are much more Ferich than typical cratonic lithosphere, but formed at the same time as the overlying crust, in the late Archean/earliest Proterozoic [8]....
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Cites background from "Preservation of ancient and fertile..."
...Lee et al. (2001) proposed that the thinner lithosphere beneath Mojavia failed to shield this small fragment of Archean lithosphere from tectonic reworking....
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...Mojavia is underlain by late Archean lithospheric mantle that is considerably more fertile and dense than typical cratonic mantle (Lee et al., 2001)....
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433 citations
References
75 citations
"Preservation of ancient and fertile..." refers background in this paper
..., but the ancient lithospheric mantle beneath Mojavia is inherently weaker than typical cratonic lithospheric mantle owing to a more fertile compositio...
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73 citations
"Preservation of ancient and fertile..." refers background in this paper
...Ignoring localized regions of high heat flow attributed to recent magmatism, we note that the measured surface heat flow for Mojavia is 60–80 mW m -2 and that for the Colorado plateau ranges to lower values (40–80 mW m -2...
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60 citations
"Preservation of ancient and fertile..." refers background in this paper
...and consistent with evidence for old Nd in the lithospheric mantle beneath the Colorado platea...
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58 citations
"Preservation of ancient and fertile..." refers background in this paper
...If all of these regions originally fit the isopycnic condition, as is probably the case, given the lack of large negative geoid or free air gravity anomalies over continent...
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58 citations