Figure 2.
USGS magnetic data of Gulf of Mexico. GoM—Gulf of Mexico; COB—continent-ocean boundary; CMA—Campeche magnetic anomaly; FMA—Florida magnetic anomaly; HMA—Houston magnetic anomaly; CI—Chicxulub impact; ECMA—East Coast magnetic anomaly; TT—Tehuantepec transform. Lower Cretaceous carbonate platform after Winker and Buffler (1985). Large arrow illustrates the post–160 Ma rotational opening.