Description
Recorded Late Mesolithic Flint Microlith
This carefully selected archaeological artefact is a genuine, complete triangular flint microlith discovered at Thorp Arch in West Yorkshire, England. It is recorded with the Portable Antiquities Scheme under reference PAS SWYOR-6CF043 and is attributed to the Late Mesolithic period, approximately 6500–3500 BC.
The microlith measures 22.7 mm long, 11.3 mm wide and 4.7 mm thick, with a recorded weight of 0.98 g. Although compact, it represents a sophisticated form of prehistoric stone technology in which a carefully prepared flint blank was deliberately shaped into a small geometric component suitable for incorporation into a composite implement.
The photographs show the actual carefully chosen specimen you will receive. This is not a stock image or a representative example selected from a group. Please examine the photographs for the triangular outline, retouched margins, fracture surfaces, geological colour, patination and overall condition. Full sizing is also shown in the images.
Portable Antiquities Scheme Record
This prehistoric artefact is associated with Portable Antiquities Scheme record SWYOR-6CF043. A PAS reference links the object to a formal archaeological record and preserves its reported identification, measurements and find location within a recognised national recording system.
The documented findspot at Thorp Arch, West Yorkshire, gives the microlith particular archaeological significance. Securely recorded locality information allows an artefact to be considered within its regional prehistoric landscape rather than simply as an isolated worked flint.
Recorded lithic finds contribute to the study of Mesolithic settlement, hunting territories, movement routes and stone-tool production across Yorkshire. The PAS reference forms an important part of the specimen’s modern provenance and will accompany the artefact.
Complete Triangular Microlith Artefact Type
Microliths are small, deliberately shaped stone tools most strongly associated with Mesolithic hunting technology. The term derives from words meaning “small stone,” but these compact artefacts were not simple or crude. Their manufacture required precise control and an advanced understanding of flint fracture.
This specimen is described as a complete triangular microlith because its finished outline forms a geometric triangular shape and the artefact survives as a complete example.
Triangular microliths were normally made from narrow flakes or bladelets. One or more margins were modified by abrupt retouch, creating a blunted edge that could be fitted securely against a wooden, bone or antler shaft. The remaining sharp margins and point formed the functional cutting or penetrating elements.
The geometric shape helped standardise the component and made it suitable for use within a composite tool. Several microliths could be arranged together to create a longer cutting edge or a barbed projectile head.
Late Mesolithic Cultural Context
The supplied date range of approximately 6500–3500 BC places this artefact within the Late Mesolithic, before farming became fully established across Britain.
Mesolithic communities lived through hunting, fishing, gathering and the skilled exploitation of seasonal natural resources. They moved through forests, river valleys, wetlands and upland landscapes, establishing camps and returning to productive locations over generations.
The Late Mesolithic saw the widespread use of small geometric microliths. These artefacts formed part of lightweight, portable equipment well suited to mobile communities. Rather than carrying a large number of complete stone tools, people could transport small flint components and replace damaged elements in wooden or bone implements as required.
Microlithic technology reflects careful planning and economical use of raw material. A small amount of high-quality flint could be transformed into numerous bladelets and specialised tool components.
Thorp Arch and the West Yorkshire Landscape
Thorp Arch lies within West Yorkshire, close to the River Wharfe and a landscape shaped by waterways, glacial deposits and natural routes connecting different ecological zones.
During the Mesolithic, river corridors would have provided water, fish, plant resources and access to animals moving through the surrounding woodland. Such routes also supported human travel between temporary camps, hunting grounds and sources of stone or other materials.
The wider Yorkshire landscape contains extensive evidence of prehistoric activity. Microliths are particularly valuable because they may indicate hunting locations, short-term camps, tool-maintenance areas or places where composite projectiles were lost or discarded.
The recorded Thorp Arch provenance connects this small artefact with the lived landscape of Late Mesolithic communities in northern England.
Flint Geology and Composition
Flint is a dense, fine-grained siliceous rock composed mainly of microscopic quartz crystals. It commonly developed as nodules, lenses or irregular bands within chalk and other carbonate-rich sedimentary formations.
The silica became concentrated within ancient marine sediments through complex geological processes. Over time, it formed hard stone capable of producing exceptionally sharp and predictable fracture edges.
Flint may appear black, grey, brown, cream, blue-grey or mottled when freshly broken. Its surface can change considerably through burial and weathering.
Chemical interaction with soil and groundwater may produce pale patination, darker staining or iron-rich orange and brown colouring. The exact geological colour, translucency, surface texture and patination of this specimen can be assessed in the listing photographs.
Conchoidal Fracture and Microlith Manufacture
Flint fractures conchoidally, meaning that force moves through the stone in a curved pattern rather than following fixed crystal planes. This property allowed prehistoric knappers to detach narrow flakes and bladelets with extremely sharp margins.
Manufacture probably began with the preparation of a flint core designed to produce elongated blanks. Controlled percussion using stone, antler or another suitable percussor detached the bladelet from the core.
The selected blank was then shaped through fine retouch. Small flakes were deliberately removed along one or more margins, creating the triangular form and blunted backing edge.
The compact size of the finished artefact demonstrates precision rather than simplicity. A misplaced blow or excessive pressure could easily break such a small piece, so successful manufacture required careful control of force, angle and support.
Composite Projectile Technology
Microliths were commonly used as components in composite tools rather than as complete implements on their own. The finished stone piece could be inserted into a prepared groove in a wooden, bone or antler shaft.
Natural resin, plant gum, birch-bark tar or another adhesive may have secured the microlith, while sinew or fibre bindings could reinforce the attachment.
A triangular microlith might have formed the point, cutting edge or barb of an arrow, dart or hunting spear. Several microliths could be mounted together along one shaft to create a replaceable cutting system.
This modular design had practical advantages. If one stone element broke, it could be removed and replaced without discarding the entire shaft. Composite technology therefore conserved valuable materials while producing effective and adaptable hunting equipment.
Archaeological Significance
Microliths are among the most characteristic artefacts of the British Mesolithic. Their small size preserves evidence of a highly organised technological system involving specialised flint production, composite-tool construction and the working of perishable organic materials.
Each retouch scar represents an intentional action. The maker selected an appropriate bladelet, planned the geometric outline and removed tiny flakes to create a functional component.
The survival of this specimen as a complete triangular microlith makes it especially useful for studying finished form, proportions and manufacturing technique. Its documented PAS record and Thorp Arch findspot add valuable archaeological context.
The artefact provides a direct connection with the hunting equipment and skilled craftsmanship of communities living in West Yorkshire several thousand years before the introduction of metal tools.
Actual Specimen, Measurements and Condition
The exact artefact shown in the photographs is the specimen supplied. It measures 22.7 × 11.3 × 4.7 mm and weighs 0.98 g.
Please use the images to assess its complete triangular outline, thickness, retouched margins, flake surfaces, patination, geological colouring and overall condition. Mineral staining, weathering and variations in surface texture form part of its individual archaeological character.
Certificate of Authenticity
This is a genuine physical artefact and includes a generic lifetime Certificate of Authenticity guarantee card.
The certificate accompanies the actual specimen pictured, together with its identification as a complete Late Mesolithic triangular flint microlith from Thorp Arch, West Yorkshire, recorded under PAS reference SWYOR-6CF043.
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