concordia

noun

1. (countable, uncountable)A set of plotted points, appearing as a curve on a concordia diagram or isochron diagram, representing sample data from rock of the same age; the condition of being a member of said set (or on said curve).

   “Points above concordia indicate uranium loss and those below indicate uranium gain.”

   “1994 [1988 Elsevier], H.-G. Attendorn, R. Bowen, Isotopes in the Earth Sciences, Chapman & Hall, page 131, Such lower intersections of resultant discordias with U-Th-Pb concordias are not significant in terms of geological time, merely changes which took place in the Th/U ratios or lead isotope ratios through the factors alluded to above.”

   “The addition of U to a carbonate sample on concordia causes the point to move off concordia in the direction of the origin.[…]The patterns that develop in the ^{₂₃₁}Pa-^{₂₃₀}Th concordia diagrams are similar to the responses of Pa-Th concordias presented in Section 10.5a.”

name

1. (Roman)The goddess of harmony and concord. She is the Roman equivalent to Harmonia.
2. A number of places in the United States:
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12. A town on Saint Martin, part of a Caribbean island that belongs to France.
13. A city and municipality in Sinaloa, Mexico.
14. A municipality in Olancho department, Honduras.
15. A town and municipality in Antioquia department, Colombia.
16. A town and municipality in Magdalena department, Colombia.
17. A department and city in Entre Ríos province, Argentina.
18. A town in the Northern Cape province, South Africa.
19. A locality in Barossa council area, South Australia.
20. A female given name from Latin.
21. 58 Concordia, a main belt asteroid.