Figure 8. Chondrite-normalized, rare earth element (REE) plots of (
A) Late Proterozoic metadiabase (10 samples) and metarhyolite (1 sample) dikes and Early Jurassic diabase dikes (10 samples) and (
B) metabasalt (5 samples) of the Late Proterozoic Catoctin Formation.
Table 1 shows major-oxide compositions of these samples.
