163/6-1A basalts plotted on the Th-Ta-Hf diagram of Wood et al. (1979). structures and glassy rims again suggests a subaerial origin. The basalts consist ... 6) and their fiat pattems on MORB-normalized spidergrams (see Fig. 7). They thereforeanbsp;...
|Title||:||Early Tertiary volcanism and the opening of the NE Atlantic|
|Author||:||A. C. Morton, L. M. Parson|
|Publisher||:||Amer Assn of Petroleum Geologists - 1988|