Keywords: geochemistry
Loading...
Displaying 1-20 of 142 results.
A Classification of Metamorphic Rocks
| Rating: | |
| Type: | Course Related Materials |
Abstract: This 24-slide PowerPoint presentation describes the classification of metamorphic rocks using texture and composition. Foliation, lineation, cleavage, schistosity, gneissose structure, hornfels, and granofels are discussed. Specific metamorphic rock types and modifying terms (porphyroblastic, spotted, ... More »
A Laboratory Manual for X-Ray Powder Diffraction
| Rating: | |
| Type: | Course Related Materials |
Abstract: This site is a report presented as an abridged guide for laboratory technicians and students interested in X-ray powder diffraction methodology. Also included, in condensed form, are the principles of diffractometry and descriptions of clay mineralogy, plus many preparatory and interpretive procedures.
A Mining Landscape
| Rating: | |
| Type: | Course Related Materials |
Abstract: This Flash simulation shows copper mining and metallurgical extraction with alternative methods and uses of unit processes, especially emphasising the role and importance of new biotechnological alternatives (bioleaching).
Advanced Igneous Petrology, Fall 2005
| Rating: | |
| Type: | Course Related Materials |
Abstract: Advanced Igneous Petrology covers the history of and recent developments in the study of igneous rocks. Students review the chemistry and structure of igneous rock-forming minerals and proceed to study how these minerals occur and interact in igneous rocks. The course focuses on igneous processes and ... More »
Advanced Mineralogy
| Rating: | |
| Type: | Course Related Materials |
Abstract: This site consists of the lecture notes for an advanced mineralogy course at the University of Colorado taught by J. R. Smyth. The topics covered include symmetry, point groups, space groups, diffraction and structures, mineral spectroscopy, and descriptions of orthosilicates, sorosilicates, cyclosilicates, ... More »
American Mineralogist Crystal Structure Database
| Rating: | |
| Type: | Course Related Materials |
Abstract: This site is an interface to a crystal structure database that includes every structure published in the American Mineralogist, the Canadian Mineralogist, and the European Journal of Mineralogy. The database is maintained under the care of the Mineralogical Society of America and the Mineralogical Association ... More »
Amphiboles
| Rating: | |
| Type: | Course Related Materials |
Abstract: This site provides a detailed look at the crystal structure and compositional variations of amphiboles. Also discussed are ways to assess the quality of analyses from looking at the stoichiometry of mineral formulas, how to estimate ferric iron, and special considerations affecting formula recalculation. ... More »
Anorthosites
| Rating: | |
| Type: | Course Related Materials |
Abstract: This 11-slide PowerPoint presentation presents a short succession of schematic diagrams illustrating the structural evolution of anorthosites. The slides discuss the relative abundance of rare earth elements, describe six types of anorthosite occurrence, and contain pictures showing anorthositic texture. ... More »
Asbestos Hazard Assessment
| Rating: | |
| Type: | Course Related Materials |
Abstract: This interactive site introduces students to concepts related to asbestos and how geologists analyze asbestos in building materials. The site is divided into three components: the geology of asbestos, identifying asbestos in the lab, and asbestos in our world. Each section of the site provides information, ... More »
Atmospheric Aerosols
| Rating: | |
| Type: | Course Related Materials |
Abstract: This NASA site explains the three major types of atmospheric aerosols - volcanic emissions, desert dust, and anthropogenic aerosols - and how they affect global climate. The site discusses the generation and atmospheric distribution of these aerosols, as well as the chemical and physical processes by ... More »
Audio Interview with Dr. Carol Stoker about MARTE and the Rio Tinto
| Rating: | |
| Type: | Course Related Materials |
Abstract: This site features links to broadcast quality audio files and transcripts from an interview with Dr. Carol Stoker about the Mars Analog Research and Technology Experiment (MARTE) which is to take place near the Rio Tinto in Spain. Interview topics include the MARTE expedition, the definition of an extremophile, ... More »
Binary and Greater Systems
| Rating: | |
| Type: | Course Related Materials |
Abstract: This PowerPoint presentation is part of the Whitman College petrology course. The presentation covers isobaric ternary T-X diagrams (An-Di-Fo), liquidus, intensive variables, cotectic, peritectic, and cooling paths. Solid solution and 4 component diagrams are described as well as the effect of water ... More »
Binary Phase Equilibria Tutorial
| Rating: | |
| Type: | Course Related Materials |
Abstract: This site, maintained by Caltech, is a tutorial on the basic principles of phase equilibria. Topics covered include the first and second laws of thermodynamics, equilibrium, Gibbs free energy, chemical potential, the graphical representation of equilibrium conditions, the phase rule, and univariant and ... More »
Biocomplexity of Aquatic Microbial Systems
| Rating: | |
| Type: | Course Related Materials |
Abstract: The goal of this biocomplexity research project is to investigate the functional relationship between complexity in microbial communities and the biogeochemical cycles of natural ecosystems. The study includes sites in the Chesapeake Bay, the Choptank River, and the open ocean of the Sargasso Sea. The ... More »
Black Smokers' WebQuest: An Internet WebQuest on Hydrothermal Vents
| Rating: | |
| Type: | Course Related Materials |
Abstract: This website contains a black smokers WebQuest where students in groups investigate one aspect of the science of black smokers. The WebQuest provides a separate list of links for each research role, including geochemist, biologist, oceanographer, and geologist. Upon completing their specialist research, ... More »
Calculation of a Norm from a Bulk Chemical Analysis
| Rating: | |
| Type: | Course Related Materials |
Abstract: This website contains a link to an Excel spreadsheet program that calculates norms from a bulk chemical analysis of a rock. The site briefly explains norms and provides instructions for the calculation of a norm in 26 steps. This resource is part of the Teaching Petrology collection. http://serc.carleton.edu/NAGTWorkshops/petrology03/index.html
Center for Non-Linear Dynamics
| Rating: | |
| Type: | Course Related Materials |
Abstract: This is the homepage of the Center for Nonlinear Dynamics at the University of Texas. The research efforts of this organization concentrate on complex dynamics, chaos, and pattern formation in a variety of natural and synthesized environments. Some examples of problems currently being examined include ... More »
Chemical Weathering
| Rating: | |
| Type: | Course Related Materials |
Abstract: This site provides visual resources that illustrate the process of chemical weathering. Animations demonstrate how temperature and precipitation affect the evolution of parent material from highly resistant primary minerals to both secondary minerals and minerals in solution, as well as showing rates ... More »
Chromium and Health - A Summary
| Rating: | |
| Type: | Course Related Materials |
Abstract: This fact sheet provides general information about elemental chromium, including types of chromium, uses, and the effects of short-term and long-term exposure.
Classification of Igneous Rocks
| Rating: | |
| Type: | Course Related Materials |
Abstract: This PowerPoint presentation is part of the Whitman College petrology course. The presentation covers classification of phaneritic igneous rocks, gabbroic rocks, ultramafic rocks, pyroclastic rocks and volcanic rocks using triangular diagrams, and classification of igneous rocks based on total alkalis ... More »
