The duration of pillow and diapir stages of growth was subequal, ranging from 10 to 30 Ma. Diapirs grew fastest in the Early Cretaceous, when peak growth rates ranged from 150 to 530 m/Ma (490 to 1,740 ft/Ma), declining in the early Tertiary to 10 to 60 m/Ma (30 to 200 ft/Ma). Strain rates for the rise of the East Texas diapirs average 6.7 X 10 (super -16) /sec; peak gross rate of growth averaged 2.3 X 10 (super -15) /sec, similar to slow orogenic rates. Evolution ended in the early Tertiary.--Modified journal abstract.

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