Website Copyright 2006
Fair Copying Allowed for Educational Use
Rocks and Minerals seen through the Petrological Microscope
Image Index
01 Ostracod microfossils 02 Fusulinid microfossil03 Fossil Wood04 Fossil Wood with Quartz vein05 Algal growth06 Microfossil shell07 Ooid08 Ooid with Calcite centre09 Quartz filled cavity between ooids10 Dolomite with mosaic texture11 Anhydrite12 Quartz enclosing Anhydrite13 Quartz filled cavity14 Quartz filled cavity15 Basalt16 Basalt17 Quartz with glassy surround18 Orthoclase Feldspar and Quartz19 Augite crystal and Feldspar20 Plagioclase Feldspar in Pyroxene21 Olivine in Pyroxene22 Pyroxene fractured and corroded
23 Pyroxene in Olivine24 Olivine altering to Serpentine25 Opaque Chromite 26 Myrmekite27 Quartz, Biotite Mica and Hornblende28 Microcline Feldspar and Sphene29 Granite with Garnet30 Granite with Garnet and Biotite Mica31 Pleochroic haloes in Biotite Mica32 Garnet and Chlorite33 Calcite and Garnet34 Microcline Feldspar35 Quartz, Feldspar, Biotite and Myrmekite36 Calcite and Feldspar37 Feldspar and Kyanite38 Quartz and Chlorite39 Kimberlite40 Feldspar, Olivine and Pyroxene41 Augite showing zones of growth42 Cordierite and Sillimanite43 Hornblende with a pleochroic halo44 Hornblende altering to Actinolite