ENERGY AND MINERALS

ENERGY / MINERALS


sedimentary rocks
SEDIMENTARY ROCKS

      see also E-Learning - Sedimentary Rocks and Resources
Sedimentary Provenance - general overview
Sedimentary Rocks and Resources

Fundamental concept - superposition      Sorting in sedimentary rocks      Types of sedimentary bedding

Clastic Sediments

Makeup of clastic sediments      Size chartof clastic sediments

Shape of Sedimentary Clasts

Roundness and Sphericity      Names of shapes      Change in mineral composition of sediments as they travel downstream      Pore space in sedimentary rocks      Grain vs. Matrix supported sediments

Siliceous Sediments:

Arenites / Wackes / Mudstones - general      Arenites and Wackes - detail

Sedimentary rock formation animation

A Photographic Atlas of Rock Breakdown Features in Geomorphic Environments  - opens in new window(15Mb! PDF file)

rock deformation
ROCK DEFORMATION

Stress and Strain      Stages of Deformation      Brittle-Ductile Properties of the Lithosphere Deformation in Progress      Evidence of Former Deformation      Fracture of Brittle Rocks      Normal Faults
Horsts and Gabens      Half-Grabens     Reverse Faults      Thrust Fault     Strike Slip Faults      Transform-Faults      Evidence of Movement on Faults      Folding of Ductile Rocks      Monoclines          Anticline    Synclines      Geometry of Folds      Classification of Folds      The Relationship Between Folding and Faulting      Folds and Topography

metamorphic rocks
METAMORPHIC ROCKS

     see also E-Learning Metamorphism and Metamorphic Rocks...

Metamorphic Petrology - general overview

Pressure -temperature diagram showing metamorphic rock types     Foliated texture in metamorphic rocks
Metamorphic rock formation animation

The importance of xenoliths and inclusions in rocks:

Xenoliths and Xenocrysts - hitchikers form the deep



minerals / mineral optics
MINERALS / MINERAL OPTICS

mineral identification
Mineral Identification

List of common minerals and their images

'click on any name to see an image..."
anhydrite   apatite 1     arsenopyrite   asbestos   barite   calcite1  2    cassiterite  chalcopyrite 1    chlorite   chromite  corundum   diamond   feldspar-albite   feldspar-microcline      feldspar-orthoclase 1  2  3  4     feldspar-plagioclase1  2  3  fluorite1 2 galena1  2   garnet   gold   graphite   gypsum 1  2  halite(salt)   hematite/haematite    hornblende 1  2  ilmenite   kyanite  limonite   magnetite1  2     manganese ore   mica-biotite1  2  mica-muscovite1  2  3   mica-phlogopite  molybdenite   olivine  pyrite1  2  pyroxene1  2    pyrrhotite   quartz1  2  3  4  5  6  rutile  siderite   smaltite  sphalerite1  2  stibnite   talc1  2  3   topaz1  2   tourmaline  zircon


Global Mineral Codes Page - a quick reference
      see also E-Learning - An overview of Minerals - atoms / crystal structure / ionic substitution /chemical composition / general properties Percent crustal abundance of the common minerals

mineral optics
Mineral Optics

Light
Transparency
Reflection of Light
Refraction
Total Internal Reflection
Dispersion
Plane Polarized Light
Minerals
Crystal Symmetry
Crystal Systems
List of Major Gemstones by Crystal System
Optical Effects in Gemstones
Lustres
Sheen
Interference of Light
Iridescence
Play of Colour
Diffraction
Opalescence
Chatoyancy
Asterism
Spectroscope