Tag Archives: post hole

Tarradale Through Time: 2018 Excavations

by Eric Grant

In September 2018 two sites were investigated by TARRADALE THROUGH TIME near Muir of Ord. These were a fortified enclosure just west of Gilchrist church and a rather enigmatic and possibly ritual site south of Gilchrist church, but located on Balvattie Farm.

Gilchrist Promontory Fort

The Gilchrist fort is a rather unusual monument  and walking past it gives no clue to its existence, size or age. Canmore describes it as a promontory fort based on their interpretation of crop marks as the arcs of three concentric ditches “Apparently designed to cut off approach to a tongue of low-lying and comparatively level ground running NW into marshland, they are in effect part of the defensive system of a promontory fort measuring about 85 m by 30 m”.

In addition to the black-and-white photographs on the Canmore database, the late Jim bone, who was an enthusiastic archaeologist and also a pilot, took some good colour photographs of the site. Jim’s aerial photograph shows three dark green curved features representing the fort’s ditches on the east side of the promontory. The ditches are now under cultivation and have been filled in and ploughed flat so there is nothing to see above ground; it is only the aerial photographs that have encouraged archaeologists to see this as a fortified promontory. It is unusual to find a promontory fort inland unless it is in a situation like this where it is surrounded by water or marshland. Most hill and promontory forts in Scotland appear to have been constructed during the late Bronze Age and Iron Age and the latest ones were built or reoccupied in Pictish times.

Aerial photograph of Gilchrist showing ditches as dark green curves (JS Bone Collection)

Our research agenda sought to identify and characterise the ditches, and to ascertain when the fort was constructed, how long it was occupied and what activities may have taken place there. Three large trenches were initially opened, one running at right angles across the defensive ditches, a second running from the long side of the fort down into the bog and a third on the highest part of the interior of the fort. We were very quickly able to establish that the three ditches seen on aerial photographs did exist, with a hint of a fourth ditch closer into the fort. The outermost ditch was reasonably shallow but the second ditch was a massive construction 5-6 m wide at the top and sloping steeply to about 1.5 m below the plough soil though we consider that the upper part of the ditches have been lost due to ploughing and the intervening banks of excavated material flattened. The third innermost ditch was not quite so deep, but right on the edge of the actual fort area we found what may be an inner ditch that might have continued round the fort perimeter as a wall and perhaps with a timber fence palisade on top or just in front.

Plan of Gilchrist excavations showing crop marks and trenches (HAS)

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Rosemarkie Caves Excavations: Interpreting the results of three years of excavations – 2016 to 2018

by Steven Birch

This article is a repost from the Rosemarkie Caves Website – see original here.

June 2018 saw a strong team from the Rosemarkie Caves Project carry out a third consecutive season of excavation in a group of coastal caves between Rosemarkie and Eathie. The fieldwork took place in two of the Learnie Caves, continuing the excavations to investigate cave function in Learnie 1A and Learnie 1B (Dead Horse Cave). The caves are located in the same headland below Learnie Farm, which also houses Smelter’s Cave (Learnie 2B), where the Rosemarkie Man discovery was made in 2016 (see previous blog posts here and here), along with substantial evidence for early medieval metalworking.

As in previous excavations, some of the best evidence for the use and function of the caves to emerge this year related to the 19th to early 20th century, including the usual leather shoe soles and leather off-cuts, snips of metal, sherds of window glass and worked bone/horn. The excellent preservation found in many of these caves also produced other organic remains including worked wood in Dead Horse Cave. Some of the more recognisable wood elements comprised fragments of roundwood around 6-8mm in diameter, some of which had trimmed ends. Further analysis of these finds is required, but it is possible that some of this material derives from the manufacture of baskets or fish traps. Other artefacts associated with this period of use included ceramics, bottle glass, a metal spoon, knife blades and handles, the remains of a small penknife including a part of the finely decorated bone handle, iron fittings, bone and mother of pearl buttons, several potential stone tools, and the ubiquitous clay pipe fragments. Several objects manufactured from copper alloy were also recovered including studs, pins, three low-denomination coins and fragments from an oil or paraffin lamp. In the upper levels of Learnie 1A, we recovered a large number of old shotgun cartridges, which may have been used to shoot rabbits and birds (the recent analysis of the animal bones from previous year’s excavations by Karen Kennedy has indicated high numbers of rabbit bones in the faunal assemblage from this period).

Composite pipe fragment from Learnie 1B.

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Rhynie Excavations Season 4 (2016)

By Cathy MacIver (on behalf of the REAP Project Team)

A fourth season of excavation took place at the Craw Stane, Rhynie over August – September 2016. The project was led by REAP Project Directors Dr Gordon Noble, University of Aberdeen and Dr Meggen Gondek, University of Chester.

Aerial photographs and geophysical surveys had identified curvilinear enclosures around the Craw Stane, one of the few symbol stones remaining in situ in Scotland (Plate 1).

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Plate 1: Craw Stane with Tap O ‘Noth hillfort (©Cathy MacIver)

Previous seasons of work at the Craw Stane (one of seven Class I Pictish symbol stones from the area) in 2011, 2012 and 2015 had demonstrated that these enclosures took the form of an inner and outer ditch and a later palisade structure with associated postholes.

Excavations in past seasons had revealed a number of high status objects including fragments of Late Roman Amphora, glass beads, metal pins, glass vessel fragments and evidence of metal working in the form of metal working tongs, slag (metal working waste) and clay moulds for metal objects. The features date the site to the early medieval period and radiocarbon dates from the ditches and other internal features confirmed a relatively short 5th-6th C construction, occupation and abandonment of the site.

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Plate 2: Rough draft of the excavations from 2011, 2012 and 2015. A work in progress!

The 2016 excavations aimed to investigate areas of the site that hadn’t been looked at before, continuing to use the successful strip and map approach employed in previous years. This involved 4 large areas or trenches (Plate 3) where the topsoil was removed by machine and watched by archaeologists. The areas were then cleaned by hand by a team of archaeologists, students and volunteers, using hoes, krafses and eventually trowels. This made archaeological features more visible and easier to record. Plans of the site were created using DGPS (accurate to the nearest cm) and aerial photography using a drone. Areas with more complexity were drawn by hand.

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Plate 3: Aerial view of the 2016 trenches

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Excavations at Rhynie 2014

by Cathy MacIver (Rhynie Community Archaeologist, CMS Archaeology)

Earlier in September the Village Square in Rhynie, Aberdeenshire was a bustling hive of activity. Archaeologists, artists and locals got together for a week-long celebration of heritage and hospitality during the Art and Artefact Project (funded by HLF). This project was a collaboration between Dr Gordon Noble (University of Aberdeen) and Rhynie Woman, a local artists collective. The project capitalised on the research and fieldwork undertaken in and around Rhynie since 2005 by Gordon (Aberdeen) and Meggen (Chester) as part of the Rhynie Environs Archaeology Project (REAP). This work looked at the Craw Stane, the site of an in situ Pictish Symbol Stone and associated high status settlement as well as nearby square barrows with high status burials, including a female stone lined cist burial.

Following on from the success of the Pop-up Pictish café run by Daisy and Debbie during the 2013 season the Rhynie Woman collective applied for funding for a weeklong event in 2014. The project consisted of: a variety of art workshops; a Curiosity Café, displaying art created in and of the village; a programme of excavation to explore the Pictish past in Rhynie itself; an ever welcome stream of home baking and meals and hospitality for the archaeologists staying in Rhynie.

The archaeological side of the project consisted of a transect of 1 by 1m or 2 by 2m test pit excavations between the Village Square and the Surgery. This was to explore the find spots and concentrations of activity marked on the old OS map from 1866. This map marked the location of several symbol stones, human remains and an urn which had been discovered when the current main road was put through Rhynie. In addition to the Craw Stane, which is still in its original position to the south of the village, many other Pictish symbol stones have been found in and around Rhynie and are on display. We hoped to investigate the context for some of these stones in the area we were digging.

Craw Stone, Rhynie

Craw Stone, Rhynie

Our initial test pits in the Village Green and nearby gardens produced a lot of material from the 19th century (pottery, an old track, a couple of possible structures and a hard packed surface that was probably the original square surface). The depth of material covering these deposits suggests that the green has been used over a long period and several attempts to level the area have been made by the introduction and spreading of material.

The excitement started to build a couple of days into the project. By this time we had opened several test pits in gardens further to the south nearer the stone findspots. One test pit contained a large post or stone hole (possibly the socket for one of our stones??). This hole was surrounded by a low, rough cobbled structure foundation, possibly the base for a turf built wall. Another test pit in a neighbouring garden uncovered the remains of cairn material. This could be linked to the cairn reputed to have been at the site of one of the symbol stones. A quick glance over the wall showed a freshly harvested field and the rest of the low natural rise we were situated on, flat, open, inviting……

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