Major source of Stonehenge spotted dolerites located
Researchers have uncovered in west Wales, another major source of one of the bluestone types found at Stonehenge.
Experts have argued that the large sarsen stones at Stonehenge are local to the Salisbury Plain area. However, the origin of the smaller bluestones has been the topic of research for many years, although there has been little refinement of the research conducted by geologist Herbert Henry Thomas in 1923 about their original sources.
The new paper by Dr Richard Bevins (Amgueddfa Cymru – National Museum Wales), Dr Rob Ixer (Institute of Archaeology, UCL) and Professor Nick Pearce (Aberystwyth University), will soon be published in the Journal of Archaeological Science.
Carn Meini bluestone. Image: Ceridwen (Wikimedia, used under a CC BY-SA 3.0)
Spotted dolerite location
In 2011, Bevins and Ixer confirmed for the first time the exact location of some of the bluestones known as rhyolites (a type of silica-rich igneous rock). Their research identified the source of the stone to the prominent outcrop of Craig Rhos y Felin near Crymych, Pembrokeshire. Now – along with Pearce – they are confident of the location of another major type of bluestone – the spotted dolerite (a type of relatively silica-poor igneous rock containing distinctive alteration spots).
H.H. Thomas from the Geological Survey published a paper in The Antiquaries Journal in which he claimed to have sourced the spotted dolerite component of the Bluestones to hilltop rock outcrops, exposed in the high Preseli, to the west of Crymych in west Wales. Specifically, he thought that the tors on Carn Meini and Cerrig Marchogion were the likely source outcrops. He went on to speculate about how humans had transported the stones to the Salisbury Plain, favouring transport across land rather than a combined land and sea journey. As a result of Thomas’s views recent archaeological excavations have concentrated on finding Stonehenge-related quarries at Carn Meini.
The current findings conclude that the majority of the spotted dolerites analysed actually come from Carn Goedog which is about 1.5km away from Thomas’s originally proposed site of Carn Meini. Image: National Museum Cardiff
Carn Goedog
Using geochemical techniques, Bevins, Ixer and Pearce have compared samples of rock and debris from Stonehenge with Thomas’s findings and also geochemical data published in the early 1990’s by Richard Thorpe and his team from the Open University. The current findings conclude that the majority of the spotted dolerites analysed actually come from Carn Goedog which is about 1.5km away from Thomas’s originally proposed site of Carn Meini.
Dr Richard Bevins (Amgueddfa Cymru) who has been studying the geology of Pembrokeshire for over 30 years said:
“When the first part of our research was announced in 2011, we communicated our commitment to continue to work in the area and we have added to that initial work with papers in 2012 and 2013. I am very pleased that we have continued to revisit the area and be able to further study the standing stones and debris from Stonehenge!
“The geology of Pembrokeshire is unique, which is why I have spent so much time in the area. The area has much to offer in helping us understand what happens when magma is erupted from underwater volcanoes, and how those igneous rocks are transformed by the effects of increased temperatures and pressures during later mountain building events. Equally interesting of course is the fact that these igneous rocks have been used in the construction of Stonehenge and only once we know their correct geographical origins can we fully interpret the archaeological significance.
“I hope that our recent scientific findings will influence the continually debated question of how the bluestones were transported to Salisbury Plain.”
Continue the research
Dr Rob Ixer who studied his first Stonehenge bluestone twenty-five years ago said:
“As this and earlier papers show, almost everything we believed ten years ago about the bluestones have been shown to be partially or completely incorrect. We are still in the stages of redress and shall continue to research the bluestones for answers. This paper is a very important component of this search and must re-direct us (and others) to relook at the standing stones, their debris and possible quarry sites so that we can correctly determine their origins.”
Source: National Museum Cardiff
Cite this article
National Museum Cardiff. Major source of Stonehenge spotted dolerites located. Past Horizons. November 20, 2013, from http://www.pasthorizonspr.com/index.php/archives/11/2013/major-source-stonehenge-spotted-dolerites-located
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Avebury to Stonehenge. Walking Through History with Tony Robinson.
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Stonehenge Stone Circle News and Information
Tony Robinson embarks on spectacular walks through some of Britain’s most historic landscapes in search of the richest stories from our past
Tony heads off for a 45-mile walk across Wiltshire to tell the story of life and death in the last centuries of the Stone Age. His route over chalk downlands and Salisbury plain takes him through the greatest concentration of prehistoric sites in Europe.
From Avebury to Stonehenge and from spirituality to engineering, this is a journey through our ancestors’ remarkable development in the latter days of the Neolithic Age.
Windmill Hill near Avebury is the start of his route; with earthworks dating to 4500BC, it’s one of the most ancient sites in Wiltshire. From here, Tony moves on through 2000 years of the ‘New Stone Age’, encountering increasingly complex burial sites and processional routes that have helped make this area both captivating and intriguing.
As he…
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Stonehenge Myths and Mysteries – Some New Theories
Latest Research and Theories About the World’s Most Famous Standing Stones.
Stonehenge. It stands on Salisbury Plain, massive, isolated and mysterious. People have been trying to fathom the meaning and history of the UK’s – and probably the world’s – most impressive and important standing stones for at least 800 years.
According to English Heritage, which manages the site about 90 miles southwest of London, early references have been found in the mid 12th century writings of Henry of Huntingdon, a Lincoln clergyman who wrote a history of England. Calling the site Stanenges, he wrote of stones of “wonderful size…erected after the manner of doorways, so that doorway appears to have been raised upon doorway; and no one can conceive how such great stones have been so raised aloft, or why they were built there.”
His questions – how was Stonehenge built, why was its location chosen and by whom – have puzzled generations of writers, researchers and visitors. Now, in the first decades of the 21st century, archaeologists are beginning to come up with some new answers – as well as a lot of new questions.
How Was Stonehenge Built and By Whom?
One of the great mysteries of Stonehenge is its actual creation. Some of its heaviest stones, the blue stones that make up the lintels, come from hundreds of miles away in the Preseli Hills of Wales. How were they transported by a society that did not use the wheel? And calling the monument “the most architecturally sophisticated prehistoric stone circle in the world,” English Heritage points out that while other Neolithic stone monuments were essentially piles of natural stones and boulders, Stonehenge is made of dressed stones, fitted together with precise mortise and tenon joints. When all the lintel stones of the outer circle were in place, they formed a perfectly horizontal, interlocking circle, even though the monument stands on sloping ground.
Early writers have theorized the monument was built by Romans – Inigo Jones thought no earlier people had enough engineering skill. In about 1136, Geoffrey of Monmouth in his history of Britain placed it in the heart of Arthurian legends and suggested that Merlin had a hand in building it. There are stories of Merlin flying the bluestones from Wales and levitating them to the top of the monument. And of course, there are plenty of stories of alien involvement.
Current theories are equally impressive though more down to earth. For ten years, in the Stonehenge Riverside Project, teams of archaeologists from the universities of Sheffield, Manchester, Southampton and Bournemouth, along with University College London, have been studying the monument and the surrounding landscape. They suggest that it was built as a unification project between farming tribes of East and West Britons who, between 3,000 BC and 2,500 BC, shared a common culture.
Professor Mike Parker Pearson of the University of Sheffield, author of Stonehenge: A New Understanding, explains, “there was a growing island-wide culture – the same styles of houses, pottery and other material forms were used from Orkney to the south coast…Stonehenge itself was a massive undertaking, requiring the labour of thousands… Just the work itself, requiring everyone literally to pull together, would have been an act of unification.” (Buy Prof. Pearson’s Book Direct).
In fact, a settlement being excavated about two miles northeast of the monument, Durrington Walls, indicates as many as 1,000 houses and 4,000 people from all over Britain took part in the building of Stonehenge. And this was at a time when the estimated population of the entire country was about 10,000. The village of builders was probably the largest Neolithic village in Europe.
So the manpower to undertake so much plain hard work was there. The stones were moved from Wales, via sledges and by boat, not by dark arts or secret sciences. Though the level of organization required at such an early period, is rather amazing.
Of course, that’s just the latest theory about the origin of the stones. Another idea is that the Preseli bluestones were carried to the Salisbury landscape by Ice Age glaciers and were found naturally littering the plain when Stonehenge’s builders walked the earth.
How Old is Stonehenge?
The common wisdom has been that the monument is about 5,000 years old and was built in several stages over a period of 500 years. In fact, much of the main building of Stonehenge, visible today, was probably built within that time frame.
But the use of the Stonehenge site for important, and probably ritual purposes goes back much further – perhaps as long ago as 8,000 to 10,000 years. Excavations around the monument’s parking area in the 1960s and then again in the 1980s found pits that held wooden posts planted between 8500BC and 7000BC.
It’s not clear whether these are directly related to Stonehenge but what is becoming more evident is that the landscape of Salisbury Plain was important to early Britons for many thousands of years.
Why Salisbury Plain?
Nice big landing place for spaceships perhaps? Not very likely. What is more probable is that the landscape chose itself. Ancient Britain was covered by forests. A large open space, thousand of acres of chalk grassland, would have been rare and special. I can tell you myself, that even today, driving across Salisbury plain at in the dark, its mysterious earthworks looming blank against a starry sky, can be a transcendant, almost supernatural experience.
Then, there is the matter of the lines. No not ley lines. Aerial photography, excavations and geophysical surveys have revealed grooves – known as periglacial stripes – that run parallel to the Avenue at the Stonehenge site and coincidentally line up with the axis of the solstice. It is possible that the farming people who settled the area and who closely observed seasonal signs noticed the alignment of these natural geological features and chose the site and position of Stonehenge because of them.
That certainly was the conclusion reached by Prof. Pearson’s group. He said, “When we stumbled across this extraordinary natural arrangement of the sun’s path being marked in the land, we realized that prehistoric people selected this place to build Stonehenge because of its pre-ordained significance…Perhaps they saw this place as the centre of the world”.
Was the Summer Solstice Important to Ancient People?
Every year, Wiccans, Neo Pagans, New Agers and curious tourists flock to Stonehenge for the summer solstice. It is the only time that visitors are allowed to camp out around the site and spend all night waiting for dawn.
But findings at Durrington Walls suggest that midwinter, not midsummer was the most important and the time for rituals and feasting. Scientists have been able to date pigs teeth found at the site and say that they were slaughtered and consumed in winter, not summer. Most of the other monuments in the Stonehenge area are aligned to midwinter sunrise and sunset. That theory makes even more sense when you consider the fire festivals and observances of midwinter all over Northern Europe.
What Was Stonehenge Used For?
Take your pick: Druid worship, burials, harvest festivals, animal sacrifices, solstice celebrations, communal rituals, a healing center, a farming calendar, a defensive earthwork, a signal to the gods, an alien landing strip. There are dozens of theories about what Stonehenge was used for. And over the years, archaeological excavations have found evidence of most of theses activities (except aliens – so far). The discovery of at least 150 burials in the area is a relatively recent finding, for example.
The fact is, the ritual landscape that Stonehenge is a part of was in use by different human societies for thousands of years. It’s likely that it, and the other monuments in the Stonehenge, Avebury and Associated Sites UNESCO World Heritage site, had a variety of different uses over the millennia. We may never fully understand this mysterious place, but archaeologists and historians are getting closer all the time. Article by By Ferne Arfin: http://gouk.about.com
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Wiltshire Museum Models: Replicas for Learning (and for Tourists!)
One of the things that have become apparent in the last ALMOST FIVE YEARS that we have been posting on the Clonehenge blog is that there are many different categories of Stonehenge replicas—many reasons for making them, many sizes, many materials, many styles, many places where they are made and where they end up. Generally, each replica falls into several categories, for example: small, carrot, before-it-was-ruined, just-for-fun; large, metal, partial, sculpture/art, or full-sized, edible, citrus, trilithon, parade float (with druid).
There are several kinds of museums that may have Stonehenge replicas (large or small), as we have shown in posts over the years. A clock museum may depict Stonehenge as an early time piece. Astronomical museums often have replicas as examples of how even our distant ancestors were fascinated by the movement of the sun, stars. and planets. Archaeological and historical museums, of course, depict and talk about…
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Salisbury Cathedral and Magna Carta 800th Anniversary 2015
Salisbury Cathedral, home to the finest of the four surviving original 1215 Magna Carta, will be taking a leading role in the 2015 celebrations marking the 800th anniversary of the historic and iconic document the legacy of which has been its enduring global influence. Magna Carta’s clauses on social justice form the cornerstone of modern democracy and liberty worldwide and are as pertinent today as they were 800 years ago.
Robert Key, chairman of Salisbury Cathedral’s Magna Carta 800th anniversary committee, said “Salisbury Cathedral is extremely proud to own the finest preserved of the four surviving original 1215 documents. We know how important the Magna Carta is to people from across the globe and what it represents for them. The 1215 Magna Carta is inscribed in the UNESCO ‘Memory of the World’ register, underlining the fact that the documents held by Salisbury Cathedral, Lincoln Cathedral and The British Library are regarded amongst the world’s most significant documentary heritage.”
The Dean of Salisbury, the Very Revd June Osborne, said “Plans are being advanced here at Salisbury Cathedral to commemorate the forthcoming 800th anniversary of Magna Carta by promoting the values and ideals that it represents. Our ambition is to present a wonderful mix of spiritual and secular celebrations, promoting justice and freedom in a practical sense, and running a full programme of learning and outreach events for people of all ages. We aim to inspire further activity in the years that follow by leaving a lasting national and international legacy.”
Salisbury Cathedral intends to re-display and re-present its Magna Carta in the newly-conserved Chapter House, safeguarding the document for the future and using the latest interpretation techniques to communicate Magna Carta’s historic background and modern significance to the many extra visitors it expects to welcome in 2015. It also hopes to conserve and repair the Cathedral’s medieval Cloisters where the Chapter House is located.
Plans for further celebrations are underway, and aim to include a lecture series chaired by the Dean of Salisbury featuring international speakers exploring topics inspired by Magna Carta. The Cathedral also has ambitions to present a Medieval Fair for all the family, a pageant involving hundreds of local people, a special concert, a Celebratory Eucharist and a week-long flower festival, as well as other events. Alongside this activity, the Cathedral’s education department will work closely with schools throughout the year to deliver curriculum-focused programmes supporting citizenship and history.
Salisbury Cathedral is working closely with partners to deliver its ambitious programme, these include: The British Library, Diocese of Salisbury, Lincoln Cathedral, Magna Carta 800th Committee/ Magna Carta Trust, Wiltshire Council, Dorset County Council, Salisbury City Council, Visit Wiltshire, UNESCO, and AGEAS Salisbury International Arts Festival.
Brief background information on Magna Carta 1215
Magna Carta is one of the most celebrated documents in English history, regarded as the cornerstone of English liberty, law and democracy, and its legacy has been its enduring worldwide influence. It was written in Latin, the language of all official documents of the period, on a single skin of vellum (calfskin). It consists of 63 clauses written on 76 tightly packed lines, written with the standard medieval time and space-saving abbreviations. It is one of the most celebrated documents in English history whose importance cannot be exaggerated. It is often claimed to be the cornerstone of English liberty, law and democracy and its legacy has been its enduring and worldwide influence. The critical importance of the charter is that it imposed for the first time detailed written constraints on royal authority in the fields of taxation, feudal rights and justice, and limited unjust and arbitrary behaviour by the king. Magna Carta has become an icon for freedom and democracy throughout the world. The other surviving copies are held by the British Library and Lincoln Cathedral.
Salisbury Cathedral Chapter House opening times to see Magna Carta 1215 are:
Monday-Saturday: 1 April – 31 October, 9.30am – 4.30pm, 1 November – 31 March, 10.00am – 4.30pm
Sundays: all year, 12.45pm – 4.30pm.
ENDS
Link: http://www.englishcathedrals.co.uk/news/2013/08/salisbury-cathedral-and-magna-carta-800th-anniversary-2015/
Link: http://www.salisburycathedral.org.uk/news.php?id=712
Link: http://www.visitwiltshire.co.uk/ideas-and-inspiration/salisbury-cathedral-and-magna-carta-p130493
Link: http://www.stonehengetravel.co.uk/stonehenge-salisbury-guided-tours.htm
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