[Society of Exploration Geophysicists SEG Technical Program Expanded Abstracts 2006 - ()] SEG Technical Program Expanded Abstracts 2006 - Identification of magnetic anomalies from basement, intrasedimentary faults and salt domes and basement structural interpretation enhance prospectiveness for upper Jurassic and lower Cretaceous gas exploration in the Sabine Uplift Area of Texas and Louisiana: Example from Black Lake Gasfield Area, Natchitoches Parish, Louisiana