7 Sm-Nd Isotope Geochemistry of Ar~llaceous Sediments 193
0, I .Urn
B
Fig. 7.5. Electron microscope photographs of clay fractions from the bituminous black
shales. AJ <0.2 ~um clay Iracuons: B) 0 8-2.0 um clay fraction. IBms el al. 1992)
0, I .Urn
B
Fig. 7.5. Electron microscope photographs of clay fractions from the bituminous black
shales. AJ <0.2 ~um clay Iracuons: B) 0 8-2.0 um clay fraction. IBms el al. 1992)