index of Opal's Pals
As of 4/3/13: 142 cartoons
* indicates my favorites

our place in the Universe
      Big Bang theory*
properties  of matter
       atomic number    atomic mass number 
        isotopes    proton and electron   nuclear fusion
        radioactivity-alpha decay   ions
minerals 
        hardness-resistance to scratching        hardness-teeth

        hardness-diamonds      hardness-talc      crystal structure
        transparency *      calcite-dogtoothspar     silica tetrahedron
        conchoidal fracture    friability    fracture    mica book
        cryptocrystalline    phantom crystal   density
        fluorescence   magnetic *  toughness *
gemstones

        gemstones-cabochons     gemstones-faceted gemstones
        carat   karat

igneous rocks
        rocks-intro    igneous rocks    magmatic stoping 
        gravitational magmatic segregation   pumice
        porphyry and phenocryst    vesicular basalt *
        petrologist*
        shield volcano   cinder cone   flood basalt   maar  

        volcanism-lava   fumarole   pillow lavas
        Aa lava    composite volcano   partial melting
        hydrogen sulfide/sulfur dioxide   viscosity
        sill   laccolith   pluton  assimilation
        Weller's spaghetti theory of magma *   rock cycle *

weathering and soils
        soil layers     leaching    caliche 
        hematite    boulder    saprolite
sedimentary rocks
        chalk    immature and mature sandstones
        conglomerate    breccia    mud cracks 
        evaporites   halite/sylvite    graded bedding
metamorphic rocks
        marble  country rock *   epidote   garnet
        contact metamorphism   regional metamorphism
        schist/gneiss    sillimanite   diamond formation*
mass wastage
        creep    scarp    slump    hockeystick tree
streams and rivers 
        stream energy    stream competence
        erosion/deposition    stream profile/base level
        stream load    gravel bar    sheetwash
        point bar    outer bank erosion    headwaters *
        saltation   laminar and turbulent flows
        entrenched meander    drainage basin   levee
        eddy *
groundwater and caves
        geyser     artesian well     natural spring
        water table    cone of depression
        porosity    permeability    hydraulic head
        stalactites and stalagmites    aquifer
        geothermal gradient     making a cave
        groundwater costs    contaminant plume
        living cave *
glaciers
        glacial ice-firn    fiord *
wind and deserts
        sand dune-barchan    alluvial fan  
        saltation of sand
earthquakes
        epicenter     Mercalli scale   aftershocks
        seismogram    P and S waves *
        focus and epicenter     animal behavior *
inner structure of the Earth
        core
tectonics
        anticline fold    syncline fold      normal fault  
        strike slip fault    thrust fault     folds
        slickensides
plate tectonics
        subduction and Benioff zones    partial melting
        convection    seafloor spreading     trench 
        formation of mid-Atlantic Ridge *

copyright 2013, Roger Weller
wellerr@cochise.edu