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Gallery: Rocks and Microscopy

Rocks and Microscopy

Da5fcb45563b41e560cc2f542726c267

13 GigaPansViews

Microscopic views of rocks using a microscope and plane or polarized light

Created by
Ian Butler
Avg. Size
0.354887 gigapixels
Views
233
Dated added
July 03, 2012
Categories
experimental, geology, macro, nature
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  1. NWA7308 is an LL3 ordinary chondrite from North West Africa, found in 2012. The gigapan comprises 113 images taken on a Nikon D60 using direct eyepiece projection from a Zeiss microscope and luminar objective. The image was put together using PTGUI. ordinary chondrite: A major class of chondrites, distinguished by s...

  2. Greisenised granite from Cornwall. Not the prettiest rock, but one for the teaching collection. Some nice feldspar alteration textures here. Greisenisation is alteration assocaited with hydrothermal fluid flow and, in Cornwall, Sn and W mineralisations around granites. 228 images using a Zeiss Luminar lens on a Meiji ...

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  3. The orthomagamatic sulfide deposit at Kambalda is hosted within komatiitic lavas. These ultramafic rocks are high volume melts and so can include a large amount of metal sulfide, normally a restite phase. Crystallisation of the komatiite melts was assocaited with the development of high supersaturation with respect to ...

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      351
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  4. Thin section of fine grained talus from a landslip in Glen Dochart, near Crianlarich, Perthshire, Scotland. The diameter of the core shown is 38mm. The thin section is has been photographed under crossed polars. Using the ureolytic bacterium Sporosarcina Pasteurii the loose material has been biocemented by calcite prec...

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  5. Thin section of a 5mm diameter core of quartz sand which has been cemented using the ureolytic bacterium Sporosarcina Pasteurii. Porosity is picked out by blue dyed epoxy. The photographs have been taken using crossed polars. The loose material has been biocemented by calcite precipitation induced by the bacteria durin...

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        0.08 Gigapixels
        Added
        April 16, 2012
        Date Taken
        April 18, 2012
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  6. Thin section of a 5mm diameter core of quartz sand which has been cemented using the ureolytic bacterium Sporosarcina Pasteurii. Porosity is picked out by blue dyed epoxy. The loose material has been biocemented by calcite precipitation induced by the bacteria during ureolysis. Calcite crystals can be seen as small gra...

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  7. Thin section image of a classic layered sequence from the Rum layered Intrusion. The way up is peridotite (multicoloured) at the top and anorthosite at the bottom. The band of opaque phase crossing the center of the sample is a chromitite band. Injection of a slug of picritic magma, plus magma mixing or incorporation o...

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  8. A different section to the one before, and I think a much improved result now that I'm more comfortable with the technique for illumination, getting the right overlaps and keeping consistent focus. 198 images taken on a converted Meiji microscope under crossed polars. Nikon D60 and PTGUI. Some really nice complex amph...

  9. 134 images taken on a modified meiji microscope under crossed polars using Zeiss objective projection to a Nikon D60 and stiched using PTGUI. The sample comes from the Critical Zone of the 2.06Ga Bushveld complex in S. Africa, by far the largest layered igneous intrusion in the world. There's some rather nice pyroxe...

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  10. 151 images of a Harrisite thin section taken on a Nikon D60 using a modified Meiji microscope and direct objective projection. Stitched in PTGUI. Images taken under crossed polars The type area for Harrisite is Harris Bay, Isle of Rum, Scotland. At the bay are exposed rocks of the Western Layered Series and the Centra...

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