BARBADOS RIDGE

submarine ridge of the Caribbean Sea rising from the southern end of the axis of the Puerto Rico Trench. The Barbados Ridge is paralleled on either side by a shallow trough. Negative gravity anomalies (observed gravity values less than theoretically calculated values because of a mass deficiency at depth in the Earth) associated with the Puerto Rico Trench extend over the Barbados Ridge, and thus structural continuity between these two features is established.