Anybody fancy a copy of the PDF paper from below?


Ratite Eggshells from Lanzarote, Canary Islands
Author(s): E. G. Franz Sauer and Peter Rothe
Source: Science, New Series, Vol. 176, No. 4030 (Apr. 7, 1972), pp. 43-45



Ratite Eggshells front Lanzarote, Canary Islands
Abstract. Struthiousa nd aepyornithotide ggshells from Tertiary calcareous
sediments
on Lunzarote prove the presencey antil about 12 million yevrs ago, of large
flightless birds. The calcarenite horizon is recognized- as an old land surface.
Mesozoic sedimentary rocks in the basement of the volcanic islands of Lanzarate
and neighboringF uerteventurai ndicate that Cltl eGtspt art of the Canary
Archipelago
is underlain by continental crus;t. Separation of the eastern Canaries from
Africa r.light have been by rifting, and a land connection might still have
existed
in the lower Pliocene.