Topographic History of the Maui Nui Complex, Hawai'i, and Its Implications for Biogeography1

Figure 2. Shield building and postshield (alkalic cap) formation. This conceptual profile represents the major features of Haleakalā Volcano: the original gently sloped tholeiitic shield, the steeply sloped alkalic cap with shore contact bench marking its lower extent, and the summit crater (eroded portion of the cap). Compare with Figure 3.
Figure 2.

Shield building and postshield (alkalic cap) formation. This conceptual profile represents the major features of Haleakalā Volcano: the original gently sloped tholeiitic shield, the steeply sloped alkalic cap with shore contact bench marking its lower extent, and the summit crater (eroded portion of the cap). Compare with Figure 3.

Corresponding author.
Manuscript accepted 1 May 2003.

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