concordia
suomi-englanti sanakirjaconcordia englanniksi
A set of plotted points, appearing as a curve on a 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).
{{quote-text|en|year=1979|title=Contributions to Geology, Volumes 17-19; Volume 3|publisher=University of Wyoming|pageurl=https://books.google.com.au/books?id=B5ocAQAAMAAJ&q=%22concordia%22%7C%22concordias%22+uranium&dq=%22concordia%22%7C%22concordias%22+uranium&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwjD-6DRxN_6AhVZH7cAHZzuA04Q6AF6BAg7EAI|page=174
1994 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.
{{quote-book|en|year=2005|author=Gunter Faure; Teresa M. Mensing|title=Isotopes: Principles and Applications|edition=3rd|pageurl=https://books.google.com.au/books?id=tlMSAQAAIAAJ&q=%22concordias%22&dq=%22concordias%22&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwjm7pLUpd_6AhWBDrcAHeeNAQMQ6AF6BAhjEAI|page=521|publisher=Wiley
(ant)
(syn)
ring consisting of two interlaced parts