Ooids
– Size: 0.25 mm to 2 mm diameter
– Identification: clear nucleus or site of the nucleus. Several (not always) concentric cortical layers. Cortical layers are continuous (no overlapping). Generally larger than peloids but much smaller than oncoids. When the stage is rotated under XPL, they will undergo pseudo-uniaxial cross type extinction.
– Microfabric: tangential, radial and/or random crystals in each cortical layer.
– Rocks that predominantly made of ooids known as oolite. Continue reading Non-skeletal Constituents-Carbonate Petrology→
– Size: 1 um wide and 5 – 20 um long.
– Use high power magnification in petrographic microscope.
– Identification: sweeping extinction. Microgranular: Dark coloured in ppl. Opaque in reflected light. Porcelaneous: dark or amber in ppl. Shiny white in xpl. Hyaline: speckled colours in xpl.
– Primary characteristic of foraminifera, molluscs (bivalve).
– Secondary characteristic of trilobites, ostracodes. Continue reading Skeletal Microstructures-Carbonate Petrology→
There are two major platforms used commercially for web development; Microsoft Windows Server and Linux based OS versions such as Red Hat Enterprise. You could also get a fully operational free version of Linux Operating Systems for personal or small business use. Out of the two main platforms, the most popular one among large companies is Microsoft Windows Server. I will demonstrate how to install a Web Application using the Microsoft Web Platform Installer (version 4.6 to be exact).
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