Monthly Archive: February 2014

Feb 08 2014

Non-skeletal Constituents-Carbonate Petrology

Coated grains 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. …

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Feb 08 2014

Skeletal Microstructures-Carbonate Petrology

Homogeneous Prismatic – 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 …

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Feb 01 2014

Installing web applications

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 …

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