AMERICAN JOURNAL OF SCIENCE

主题词：Geological and Geochemical Analysis; Geology and Paleoclimatology Research; Geochemistry and Geologic Mapping; Paleontology and Stratigraphy of Fossils; Geological Studies and Exploration; Mineralogy and Gemology Studies; Botany, Ecology, and Taxonomy Studies; Geological formations and processes; Hydrocarbon exploration and reservoir analysis; Evolution and Paleontology Studies; Archaeology and Natural History; earthquake and tectonic studies; Astro and Planetary Science; Geological Modeling and Analysis; Paleontology and Evolutionary Biology; High-pressure geophysics and materials; Methane Hydrates and Related Phenomena; Clay minerals and soil interactions; Marine and environmental studies; Plant Diversity and Evolution; Landslides and related hazards; Planetary Science and Exploration; Crystal Structures and Properties; Geological and Geophysical Studies; Radioactive element chemistry and processing