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A field guide containing various pages which are based on the munsell colour system to aid in the identification of rocks whilst working in the field.
Out of stock
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The Munsell Rock Chart provides a convenient method for identifying rocks or layers of rocks in the field based solely on their colours. This system enables geologists and archaeologists to efficiently narrow down samples and rock formations using color as a communication tool. The guide contains 115 Munsell notations, each represented by a specific color. This is achieved through a cross-reference between ISCC-NBS colour names and Munsell’s well-known alphanumeric colour system.
Included in the colour notations are various hues such as 5R, 10R, 5YR, 10YR, 5Y, 10Y, 5GY, 10GY, 5G, 10G, 5BG, 5B, 5PB, 5P, 5RP, 5YR, 5Y, 5GY, 5G, 5B, as well as nine neutral grey tones. These notations are presented on durable, waterproof, and washable cards, a crucial feature for fieldwork when weather conditions are unpredictable. Moreover, this guide allows you to grind rock and aggregate samples into grit directly in the field. The resulting material can be spread across the pages either in a dry or wet state, facilitating a direct comparison between the rock’s color and the guide’s colors. This enhances the accuracy and ease of rock identification.
Contained within a compact ring binder, the Munsell Rock Colour Guide permits easy removal and replacement of pages as needed, making it suitable for a range of field and laboratory applications. It proves indispensable for professionals such as geologists, archaeologists, geotechnical engineers, students, and academics who require precise rock color identification in their work.
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A5 in size, the card contains relevant geological data on both sides. One side contains over 40 different sedimentary logging symbols such as ‘Breccia’, ‘cross bedding’, ‘tuff’, and so forth.. On the opposite side, a wide variety of common geological mapping symbols are printed including ‘inclined strata’, ‘faults’, ‘mineral veins’ etc. Also includes a geological time scale.
Technical Specifications:
* Featuring ISCC-NBS color names
* Munsell alpha-numeric notation
* Color produced on water resistant substrate Features Munsell notations for each color providing:
* Value (degree of lightness)
* Hue (color)
* Chroma (degree of saturation)
Dimensions
Binder Size: 15cm x 19.6cm x 2.5cm
Page Size: 11cm x 18.5cm
Weight:1 kg
Out of stock
The ‘Guide to Common Rocks’ is designed for use in the field, classroom and laboratory, this 12-page chart features clear colour photographs of 71 common rocks. Information on the formation and characteristics of igneous, sedimentary and metamorphic rocks is included. Clear colour illustrations and text by experts in the subject make these valuable resources for all age groups.
Out of stock
Introducing an affordable and versatile hand lens perfect for students, children, and general use. Crafted with a durable stainless steel body, it features a protective plastic and rubber housing around the glass lens to minimise damage in case of accidental drops. With a compact 18 mm diameter viewing area and 10x magnification, it excels at providing detailed views of rocks, minerals, fossils, crystals, sediments, plants, insects, and various small objects. This economical magnifier is a valuable tool for students in earth sciences, botany, or entomology. It includes a convenient loop for attaching a lanyard and comes in a plastic case. Discounts are available for larger quantities, making it an excellent choice for schools, universities, educational institutions, museums, and more. Feel free to reach out by phone or email for a customised quotation.
The card is printed onto translucent plastic for easy reading and comparing against grain size and texture in the field. The card includes a sorting chart, roundness scale and percentage by area images and is 149mm x 72mm, made from plastic it is completely waterproof and tear resistant.
Field scale card, completely waterproof, features 10 cm scale, 4 inch scale and 30 mm scale for use when taking photographs in the field.
Streak plates in a black colour made form porcelain, tough and ideal for performing streak tests, to asses minerals or mineral content of a rock sample, each plate is 45 x 45 mm in size and has a fine texture surface. Excellent for field geologists and earth science students.
Augite andesite igneous rock specimens from Thirlmere, Cumbria, UK which are of late Ordovician age which form part of the Barrowdale volcanic group. The samples are of intermediate composition and contain phenocrysts of the pyroxene mineral, augite, giving the normally dark blue rock a black speckled appearance. The samples are available in 3 sizes and come supplied in a card tray with a label.
We also supply Augite Andesite thin sections for microscope study which are available to buy HERE.
82 in stock
Biotite granite igneous rock specimens from Ballachulish, Scotland, UK. Composed of the felsic minerals quartz and feldspar, with occurrences of biotite crystals. The rock has an overall white appearance due to its felsic chemistry but the black biotite mica offers a striking contrast in colours. The samples are ideal for both collectors due to the attractive nature and for college to university level education to describe the variations in granite which one may find. The samples are available in three sizes and supplied in a card tray with an information label.
64 in stock
Accretionary lapilli tuff is an igneous pyroclastic rock, these samples come from Longsleddle, Cumbria in the UK and forms when hot ash and debris is ejected from as volcano. Some of this material is held together by moisture and once heavy enough, falls into the ash below forming small ‘spots’ within the material, creating a speckled rock. The samples are suitable both for young and serious collectors as well as educational use and are supplied in various sizes with a card tray and label.
65 in stock
Granodiorite specimens from Cumbria, UK. These rocks originate from the Ordovician era, dating back roughly 443 to 448 million years. This Granodiorite, derived from Eskdale granite outcrops, exhibit a coarse-grained texture and represents a blend of granite and diorite characteristics.. While sharing mineral components like quartz, feldspar, and mica with granites, its distinctiveness lies in the elevated levels of plagioclase and mafic minerals like biotite, hornblende, and augite. Notably, this specific Granodiorite variety boasts a significant biotite content. Available in three different sizes, these specimens come supplied in a white card tray with information label.
We also supply Granodiorite thin sections for microscope study which are available to buy HERE.
Brockram Breccia specimens sourced from Hoff, Cumbria, UK. Breccia, a type of clastic sedimentary rock, is characterized by its coarse-grained and poorly sorted nature, containing large angular fragments embedded in a finer-grained matrix.
Brockram is a basal breccia, composed of cemented limestone and sandstone fragments originating from the Permian period. The Permian was the last period of the Paleozoic era and occurred approximately 299 – 251 million years ago.
These samples are available in various sizes and are presented in a white card tray along with accompanying information label.
Trachyte, a common igneous rock composed of various minerals including quartz, feldpsars, micas and olivine, rock specimens come from East Lothian, Scotland and are available in optional sizes, supplied in a card tray with a label.
Specimens of Ironstone that have been collected from Breitung Mine, Marquette County, Negaunee, Michigan, USA. These specimens are a deep reddish brown in colour with some specimens exhibiting clear banding. Please note that banding is not visible on all pieces. These specimens are available in very limited supply with three sizes to choose from. They come supplied in a white card tray with information label.
Additionally we also have one large display piece available, measuring approximately 18cm x 15cm at its widest points. This display specimen exhibits a distinct botryoidal texture on its top surface, making it an intriguing and appealing specimen to add to any collection.
Agglomerate igneous rock specimens from Scotland, UK. A coarse grained, hard blocky rock exhibiting a conglomeration of various minerals and igneous material of volcanic origin. These samples formed part of the Glen Coe caldera and are apart of the upper streaky andesite unit, the exhibit poor sorting and orientation of material which indicates a somewhat violent origin but this can vary from agglomerates by location and is mainly down to the chemistry of the igneous material. The samples are available in 3 sizes and come supplied in a card tray with a label, they are suitable for educational use to show the different types of volcanic rocks produced as well as those interested in collecting rock samples.
Specimens of Rapakivi Granite sourced from South Finland, which have undergone cutting and polishing. This particular rock belongs to the Granite family, and shares the typical characteristics of granite. Those being a coarse-grained, plutonic igneous rock, consisting of orthoclase feldspar, quartz, and biotite mica. Each piece comes packaged in a white card tray accompanied by an information label.
Specimens of Flint, collected from South Devon in the UK. Flint, a variety of Chert, is a micro crystalline, sedimentary rock. It is part of the silicate family and has a conchoidal fracture. These specimens display a monochromatic black interior, offset by a distinct white exterior. These specimens are available in various sizes and come in a white card tray with an information label.
Ignimbirte welded tuff is a pyroclastic rock of any origin formed through volcanic processes, the rock appears to show streaks of welded material on some surfaces and appears to be rhyolitic on the inside. Specimens come from Cumbria and are available in various sizes.
We also supply Welded Tuff thin sections for microscope study which are available to buy HERE.
73 in stock
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