Memoir 90 is a multidisciplinary book that includes a wide range of topics such as organic geochemistry, petroleum systems analysis, salt tectonics, petroleum prospectivity evaluations, geophysical interpretation, basin modeling, petrophysics, stratigraphy and sedimentology, structural geology and tectonics, biostratigraphy and paleontology, sediment provenance studies, and potential fields. AAPG Memoir 90 focuses on the southern Gulf of Mexico prolific offshore and onshore basins with an emphasis on the petroleum systems. This book is a must for exploration geologists and geophysicists, research scientists, faculty, and students who want to learn about the new exploratory knowledge on the petroleum geology of the Mexican Gulf of Mexico. American Association of Petroleum Geologists (AAPG) Founded in 1917, AAPG is the world"s largest professional geological society. AAPG is a pillar of the world-wide scientific community. Our books foster timely scientific research, advance the science of geology and promote the most efficient methods of energy exploration & processing technology and practices available today. Some of the areas we publish in include: Well Log Analysis Geological Modeling Carbonate Petrology Seismic Imaging Reservoir Characterization Regional Petroleum Analysis Tectonics and Sedimentation Stratigraphy