Tag Archive: academic

Sep 01 2014

Few tips for new Geoscience students

Even before we go into minute details on being a successful Geoscience student, let me explain why we use “Geoscience” as opposed to “Earth Science” or “Geology”. Geology can be loosely defined as the study of solid Earth and the processes which the Earth evolve. But it has grown into a multidisciplinary field with several …

Continue reading »

Permanent link to this article: http://sanuja.com/blog/few-tips-for-new-geoscience-students

Mar 01 2014

Sedimentary Petrology Media Library

The information posted here is not in a particular order. If you want to find something specific on this page, I suggest using page text finder on your computer (Ctrl + F). Important terms and information are in bold. For additional photographs and information, please visit the following pages: – Mineralogy Media Library– Photomicrographs of …

Continue reading »

Permanent link to this article: http://sanuja.com/blog/sedimentary-petrology-media-library

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. …

Continue reading »

Permanent link to this article: http://sanuja.com/blog/non-skeletal-constituents-carbonate-petrology

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 …

Continue reading »

Permanent link to this article: http://sanuja.com/blog/skeletal-microstructures-carbonate-petrology

Jan 15 2014

Petrology Media Library

The information posted here is not in a particular order. If you want to find something specific on this page, I suggest using page text finder on your computer (Ctrl + F). Important terms and information are in bold. For additional photographs and information, please visit the following pages: – Mineralogy Media Library– Photomicrographs of …

Continue reading »

Permanent link to this article: http://sanuja.com/blog/petrology-media-library

Page 2 of 1012345...10...Last »