Geochemistry by San Francisco State University
This note explains the following topics: Nucleosynthesis and elemental abundances, Chemistry of the Earth, Bonding and Substitution, Thermobarometry, Acids and Bases, Solubility product and ion activity product, Acids and Bases, Solubility of salts and hydrolysis, Ionic strength and the Dubye-Huckel theory relating activity to concentration, Thermodynamics, Mineral stability diagrams and chemical weathering of feldspars, Redox reactions, U-Pb dating and data analysis using Isoplot, Stable isotopes, Trace and rare earth element.
Author(s): San Francisco State University
NA Pages 
This note covers all aspects of molecular biosignatures, such as their pathways of lipid biosynthesis, the distribution patterns of lipid biosynthetic pathways with regard to phylogeny and physiology, isotopic contents, occurrence in modern organisms and environments, diagenetic pathways, analytical techniques and the occurrence of molecular fossils through the geological record.
Author(s): Prof. Roger Summons, Dr. Florence Schubotz, Dr. Julio Sepulveda and Dr. Paula Welander
NA Pages
Geochemistry by B. Saini Eidukat
This note explains the following topics: acid or base and electrochemical concepts, aqueous geochemistry and solid-water interactions with an emphasis on ground water, chemical weathering, mineral thermodynamics and redox (Eh-pH) diagrams and their applications to soil and mineral stability and ground water chemistry, modeling, environmental geochemistry and isotopes applied to groundwaters.
Author(s): B. Saini-Eidukat
NA Pages
This note looks at the oceans and is an introduction to marine chemistry. The sub-topics of this lecture includes: ocean dynamic topography, ocean temperature and salinity; oceanic circulation; thermohaline circulation, carbon cycle, composition of sea water; variations of sea water through time, hot vents and cold seeps, ferromanganese nodules, gas hydrates, radiogenic isotopes in the oceans, U-disequilibrium dating and sedimentation rates.
Author(s): B. Saini-Eidukat
NA Pages
This lecture note explains the following topics: Equilibrium, Free Energy, Calorimetry, Speciation, Activity, Stability Diagrams, Acid-base geochemistry,Carbonate Geochemistry, Redox Geochemistry, Nernst and Eh-pH diagrams,Microbes and energy,Sorption, Kinetics, Mixing and mineral chemistry, Phase relations, Geothermobarometry, Ore Geochemistry, Isotope Geochemistry and Radioisotope Geochemistry.
Author(s): Greg Druschel
NA Pages
This note describes the following topics: Physics of the Nucleus and Radioactive Decay, Nucleosynthesis, Geochronology, Radiogenic Isotope Geochemistry, Cosmogenic Isotopes in Geochronology, Fission Track Dating, Isotope Cosmochemistry, Stable Isotope Geochemistry.
Author(s): W. M. Whit
NA Pages
