ORIGINAL ARTICLE: https://doi.org/10.1130/L686.1

ERRATUM PUBLICATION: https://doi.org/10.1130/L686E.1

When this article was originally published, several references to parts of Figure 2 were incorrect or inadvertently omitted on page 668. The corrections follow:

Page 668, left column, line 3 should read: (Table 1A; Figs. 2B, 2C, 4C, and 4E)

Page 668, left column, line 5 should read: (Table 1B; Figs. 2B, 2C, 4D, and 4E)

Page 668, left column, line 12 should read: (Table 1A; Figs. 2E, 4F, and 4G)

Page 668, left column, line 16 should read: (Table 1A; Figs. 2E and 4F)

Page 668, left column, line 22 should read: (Table 1; Figs. 2C and 4E)

Page 668, right column, line 5 should read: (Table 1; Figs. 2D, 4H, and 4I)

Page 668, right column, line 20 should read: Figs. 2F, 5B, and 5D