Figure 4

(a) Equal-area projections of site-mean directions from the Duoai Fm lava flows; (b) group-mean directions from the Duoai Fm lava flows; (c) group-mean directions from the Jiega Fm limestone; (d) group-mean directions from the Duoai Fm lava flows + Jiega Fm limestone. The stars indicate the Fisherian mean of site (group)-mean directions.