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Conglomerate thin section slide exhibiting abundant rounded biogenic and clastic sediments held in place by either a fine grained matrix and/or calcite cement collected from Farringdon. The section is made to 30 microns thickness and the glass is 46 x 27 mm in size with a cover slip.
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Conglomerate thin section slide exhibiting abundant rounded biogenic and clastic sediments held in place by either a fine grained matrix and/or calcite cement. The thin sections for the Farringdon conglomerate supplement the hand specimens nicely. The fauna within the biogenic limestone clasts can be used to help interpret the local paleoenvironment during the time of formation and by analysing the relationship between grains and minerals present a diagenetic history can be interpreted. The section is made to 30 microns thickness and the glass is 46 x 27 mm in size with a cover slip. Supplied in a protective card sleeve with a label, ideal for microscopy.
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Textbook desert sandstone microscope thin section ideal for educational use.These thin sections exhibit well rounded quartz clasts as you would expect from an aeolian transported sediment. The section is made to 30 microns thickness and the glass is 46 x 27 mm in size with a cover slip. Supplied in a protective card sleeve with a label, ideal for microscopy.
7 in stock
Specimens of Breccia, collected from the Manifold Valley in Staffordshire. Breccia is a term that describes coarse grained sedimentary rocks, with large angular clasts, surrounded by a finer grained matrix. Calcrete binds the clasts in these specimens, forming on calcareous materials in response to climatic fluctuations in arid and semi-arid regions. These specimens are available in multiple sizes and come supplied in a white card tray with information label.
40 in stock
Specimens of Conglomerate, collected from Farringdon, Berkshire in the UK. Conglomerate is a term used to describe a group of coarse grained sedimentary rocks, featuring large well rounded clasts in a finer grained matrix. They were laid down in a high energy environment, either fluvial, alluvial or shallow marine. The roundness of the clasts can be an indicator of the transport distance or the action of sustained erosion. These specimens are available in multiple sizes and come supplied in a white card tray with an information label.
We also supply Conglomerate thin sections for microscope study which are available to buy HERE.
200 in stock
Specimens of Puddingstone, collected from Hertfordshire, UK. Puddingstone is a variation of conglomerate, which is term used to describe a coarse grained sedimentary rock, featuring large, well rounded clasts in a finer grained matrix. It dates back to the Paleocene to Eocene period around 56 millions years ago. This particular rock is composed almost entirely of silica and has no porosity, likely contributing to its notorious hardness. This rare rock is only found in quantity at one locality in Hertfordshire. As such, it is becoming exceedingly difficult to obtain. This rock is available in multiple sizes and each piece comes supplied in a white card tray with information label.
Shelly limestone thin section slide exhibiting the calcareous remains of various fauna. These thin sections complement the hand specimens nicely and allow for more precise paleoenvironmental interpretations to made. The thin section is made to 30 microns thickness and the glass is 46 x 27 mm in size with a cover slip
Out of stock
Conglomerate with well rounded clasts from Faringdon, UK. A good example of the lithotype as opposed to a Breccia which would contain predominantly angular to sub-angular clasts. Supplied by weight in bags weighing 1 kilo.
Syenite thin section slide. The thin sections show a dominant feldspar mass ( orthoclase ) with occurrences of hornblende, amphibole and clinopyroxene. Biotite mica may also be present however its occurrence is rare, The thin section is supplied in a protective card sleeve with a label, ideal for microscopy and educational purposes.
Click here to to explore our extensive collection of igneous, sedimentary, metamorphic, and mineral thin sections. We offer a wide range of options to cater to your needs. If you require a microscope, you can find them available here as well.
5 in stock
Pumice thin section slide exhibiting the highly vesicular nature of this extrusive igneous rock. Pumice lavas tend to be silicic or felsic which are highly viscous thus do not allow the gas bubbles to escape efficiently.This material was collected from the Lipari islands of Italy.
9 in stock
These thin sections exhibit beautiful crystals of olivine, pyroxene and augite, which often shows oscillatory zonation held within a matrix of plagioclase feldspar. The slides supplement the hand specimens nicely and are useful for interpreting the crystallisation history of the rock.
11 in stock
A thin section of mylonite which was collected from the metamorphic region of Lom, Central Norway. Mylonite is a fine-grained, compact rock produced by dynamic recrystallisation of the constituent minerals resulting in a reduction of the grain size of the rock.
9 in stock
Microgranite thin section slide exhibiting the medium grained nature of this intrusive igneous rock. The crystals in microgranite are smaller than those of normal granite indicating that it cooled at a quicker rate.
We provide a full range of igneous, sedimentary, metamorphic and mineral thin sections. Click here to view them. Should you require a microscope, they can be found here.
7 in stock
Metaquartzite thin section slide exhibiting a fine, interlocking mosaic of quartz crystals characteristic of this metamorphic rock. Each section is made to 30 microns thickness and the glass is 46 x 27 mm, ideal for microscopy and educational purposes.This material was collected near Holyhead on the Isle of Anglesey, North Wales.
7 in stock
Hornblende Gneiss thin section slide exhibiting an abundance of the mafic mineral hornblende, accompanied by less abundant biotite mica, quartz and feldspar. This material was collected by staff from Southern Norway. Each section is made to 30 microns thickness and the glass is 46 x 27 mm in size, ideal for microscopy and educational purposes.
2 in stock
Cordierite Hornfels thin section microscope slide exhibiting a dark colour and a characteristic none crystalline form. Fine grains fit together like the fragments of a mosaic, this is often referred to as rough pavement or pavement structure. Larger crystals of cordierite can be seen scattered throughout the fine matrix.
6 in stock
Purbeck Limestone thin section slide exhibiting densely pack shells of varying fauna. This rock is particularly interesting in thin section; numerous shells from varying organisms such as bivalves and gastropods along with numerous signs of mineral replacement and dissolution offers an opportunity to interpret the complex diagenetic history of the rock.
9 in stock
Stunning peridotite thin section exhibiting the bright and beautiful colours of olivine and pyroxene punctuated by relatively abundant plagioclase. Peridotite is a dense, coarse grained, ultramafic igneous rock consisting largely of olivine and pyroxene.
7 in stock
Travertine thin section slide. Travertine is a form of limestone deposited by mineral rich springs, especially hot springs. It is formed by the rapid precipitation of calcium carbonate, often at the margins of a hot spring or in a limestone caves.
6 in stock
Obsidian, also known as ‘volcanic glass’ is a felsic, extrusive igneous rock. Crystal growth is minimal / absent within obsidian due to rapid solidification rates which inhibit crystal growth thus giving the rock a glassy appearance.
4 in stock
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