Tag Archives: use wear analysis

The unexpected little joys of lithic use wear analyses II

A little while ago I posted a photo of a crystal inclusion in a white flint bladelet. I promised to post some more, whenever I think of it. So here is another example of the beautiful things I have encountered doing the use wear analyses. This burnt flint bladelet, like the last example from Late Mesolithic layers at Lutter/St. Joseph, France, did not show any signs of use. However, the microscope does show beautifully the microfossils within the flint, or possibly radiolarite, out of which it was made. And, like the last example, this photo also shows the possibilities of the digital microscope I have been able to use for the study of the use wear analyses of Late Mesolithic artefacts from two Lutter/St. Joseph, France and Arconciel/La Souche, Switzerland.

Microfossils, Lutter/St. Joseph. France. Mesolithic

Micro-fossils in a Late Mesolithic burnt retouched bladelet from Lutter/St. Joseph, France. Composite (focus stacking) image (150x) I made with a Keyence Digital microscope (Dep. Of Geosciences at the Université du Fribourg, Switzerland.)

The alpine Mesolithic and the scrapers from Arconciel/La Souche. Oh, and much much more!

Way back in 2014 Laure Bassin and I presented the first results of our Gestures of TransitionsGestures of Transitions project at the MesoLife conference in Selva di Cadore in the beautiful Dolomites. Now these results have been published in a new volume of Preistoria Alpina. We could increase our results beyond those presented in the poster then and are pleased to be able to show a nice summary of our study of the scrapers from the Late Mesolithic layers at Arconciel/La Souche, Switzerland.


Late Mesolithic scrapers from Arconciel/La Souche, Switzerland. Illustration: SAEF/AAFR

Scrapers are special at this site. Not only are many extremely small, an extraordinary large proportion of tools found at Arconciel/La Souche, over 50% of tools, were scrapers. So, curious about what we found out about these seemingly so insignificant little tools? You can download the paper here:

Cornelissen, M. and Bassin, L., 2016. Alpine raw materials and the production and use of scrapers at the Swiss Late Mesolithic site of Arconciel/La Souche, Preistoria Alpina 48, pp. 11-19

The well stratified rock shelter site of Arconciel/La Souche, Switzerland was repeatedly occupied between 7100 and 4900 cal BC. It lies in the Sarine river valley at the foot of the Prealps. This paper presents the first preliminary results of the study of the scrapers from this site. Of the chipped stone tool categories, scrapers are the most numerous found at Arconciel/La Souche. A combined technological and microscopic use wear study of the scrapers from three assemblages (ensemble
3, 4 and 5) has allowed us to examine the use and production of scrapers as well as how production and use relate to the various raw materials utilised at Arconciel/La Souche. We were able to show that although scraper morphology remained stable over time, there was a significant change in the relationship between raw materials and scraper production as well as the use of scrapers.
This research will be expanded to include other assemblages and chipped stone artefact categories from Arconciel/La Souche, but has already provided important new insights into artefact use-life in the still relatively poorly understood millennium leading up to the end of the Mesolithic on the Swiss Plateau and the nearby Prealps.

But there is even more! Preistoria Alpina has changed its set-up. The journal is now only available online and open-access. All posters from the MesoLife conference were published in this volume and are available! The papers presented one those hot summer days in the Dolomites have recently been published in volume 423 of Quaternary International. (With a little something about recent Mesolithic finds in the Swiss Alps by Thomas Reitmaier and myself.) That makes an amazing total of 48 articles on alpine Mesolithic!


Late Mesolihtic scrapers from Arconciel/La Souche, Switzerland. Illustration: SAEF/AAFR

These two volume show how vibrant the research of the Mesolithic in alpine and mountainous enviroments has become of late and will undoubtly be shown to be valuable additions to our knowledge of the Mesolithic in Europe. Hats off to the MesoLife organisers and editors of these two volumes!


The “Gestures of Transition” circus is still touring: This week at the Berner Zirkel!

About two weeks ago Laure Bassin and I presented our PhD research at the Universität Zürich. And that’s not it yet. We are very excited to annouce that this Thursday, December 8th, we will be talking (in German) about the “Gestures of Transitions” project at the Berner Zirkel für Ur- und Frühgeschichte. Samichlaus will be off again by then, but it will be a bag full of Mesoltihic goodies for everyone! Artefact biographies, use wear, chaînes opératoires, all based on our research on the lithic material from Arconciel/La Souche and Lutter/St-Joseph. In short the Mesolithic-Neolithic transition in Switzerland from a different point of view. The Berner Zirkel talks are aimed at the general public. Do look in if you are nearby. We would live to see you there!

Donnerstag 8.12.2016 18:30  –  Universität Bern, Hörsaal 114

Steingeschichten. Das Endmesolithikum zwischen Voralpen und Jura, geschrieben von den letzten Jäger- und Sammler/innen

Mit ihrer für das schweizerische Mittelland einzigartigen Stratigraphie ermöglicht es die Fundstelle Arconciel/La Souche (Kt. Freiburg) 2000 Jahre des Mesolithikums zu erforschen. Die ebenfalls vor wenigen Jahren untersuchte Fundstelle Lutter/St. Joseph (Elsass, FR) dient dabei als Vergleich. Im Nationalfonds-Projekt «Gestures of Transitions» wird mit neuen methodologischen Ansätzen das Ende des Mesolithikums im peri-alpinen Europa untersucht. Im Zentrum stehen Artefaktbiographien und die Kombination von technischen Untersuchungen und Gebrauchsspurenanalysen.

Wie wiederspiegeln sich die tiefgreifenden sozialen und wirtschaftlichen Veränderungen am Übergang zum Neolithikum in der Herstellung und im Gebrauch der Artefakte? Und erlauben sie es die Geschichten, welche sich an den zwei Orten abspielten, zu rekonstruieren?


Experimentally cutting wild boar bone with hafted lithic tools. Photo: M. Cornelissen

The Berner Zirkel is also on Facebook with all sorts of new about archaeology in the canton of Berne and the region.


Experimenting with notched blades

This gallery contains 2 photos.

Hazelnutrelations goes old school! Would you like some lithics in your postbox?

English text below

Liebe LeserInnen

Schon seit 8 Jahren schleudert hazelnut_relations Wörter und Bilder rund um das Thema meiner Dissertation und meiner weiteren archäologischen Interessen in die digitale Welt hinein. Aber jetzt, endlich, getraut hazelnut_relations sich in die Welt des Analogen hinaus. Die Bilder, die bei der Untersuchung von Gebrauchsspuren an mesolithischen Steinartefakten (meine Dissertation) entstehen, sind nicht nur wissenschaftlich interessant, aber oft durchaus auch schön. Ben Peyer von Version1 und ich habe jetzt eine kleine Auswahl von Bildern verwendet um eine Serie von Postkarten zu produzieren. Und ich würde sie sehr gerne mit Euch teilen!
Wenn Du jetzt neugierig an den Postkarten geworden bist, schick mir etwas mit deiner Adresse darauf in der Post. Was? Irgendetwas: Etwas Archäologisches oder auch etwas völlig anderes, etwas woran Du gerade arbeitest oder etwas was Du gemacht hast oder von wo Du zuhause bist. Ein Foto, ein Flugblatt, ein paar Wörter, einfach irgendetwas was Dich begeistert! Und ich werde mit den Postkarten antworten. Also, nicht vergessen deine Adresse zu erwähnen! Meine Postadresse: Jurablickstr. 5, 3095 Spiegel b.B., Suisse. Ich würde mich sehr freuen von Euch zu hören!

Möchtest Du mehr erfahren warum ich mich entschieden habe diese Postkarte zu machen? klick hier.


Dear readers

For almost exactly 8 years now hazelnut_relations has been spouting out words and pictures about my PhD research and my other archaeological adventures. But now, finally, hazelnut_relations is daring its first tentative steps out of the digital into the analogue. The use wear analysis of Mesolithic stone artefacts I do as part of my PhD research, produces images that are not only scientifically interesting, but that are often also beautiful in their own right. Ben Peyer of Version1 and I have now used these images to make a series of postcards. And I would be very happy to share these with you!

So, if you are curious about these cards, send me something with your address on it by post. Anything you like sharing. Something archaeological or something completely different you are working on or you like, something you made, something from near where you live. A photo, a postcard, a flyer, a few words, anything you are enthusiastic about. Anything at all! In return I will reply with our postcards. So don’t forget to include your postal address! My postal address:Jurablickstr. 5, 3095 Spiegel b.B., Suisse. I would really love to hear from you!

If you would like to know more about why I decided to make these postcards, click here.

Transforming prehistoric gestures into present day objects. Turning your (PhD-)research into postcards.

Like many archaeologists, I spend my days in a lab or at a desk. I study microscopic traces of use on Late Mesolithic and very early Neolithic stone artefacts to try to find out what these tools were actually used for all those thousands of years ago. By understanding the use of various types of tools we hope to understand the lives and activities on the sites they were found (Arconciel/La Souche and Lutter/St. Joseph) and in Switzerland/Western France at the time of the last hunter-gatherers and the first farmers here. This period, roughly 6500 to 4800 BC, is a fascinating period, during which many things, not least the economy, changes. That is the story I wanted to tell and I wanted to do this in a light-hearted and accessible way. At the same time I wanted to avoid the typical channels of public outreach. But I did want to show the beauty of the process of doing archaeology. This fascination for the archaeology of hunter-fisher-gatherer societies and the transition from the Mesolithic to the Neolithic of the early Holocene together with the wonder of seeing the activities and lives of people who lived such different lives from us in these small stone artefacts were the main reason behind the decision to do something with all the photos I am taking at the microscope.

We archaeologists often tell stories about the sites and objects we study after we have finished excavating and have done with all our analyses. Often the stories we tell are presented as complete and certain, while actually they are often complex and full of ambiguity and are seldom truly finished. We also show reconstructions or we invite the public to visit our excavations, the archetypical activity of archaeologists, and tell stories about and show photos from our digs in more or less exotic localities. But we rarely show the processes and the work we spend most of our time on: Our work in labs, in offices in dark basements of archaeological institutes, hot dighouses or even cold office containers on excavation sites. I hope to show some of these processes of making sense of the archaeological remains and knowledge creation through these postcards. Our, my daily work and the beautiful and fascinating things and objects this work creates and which are seldom seen by anyone.

Most visual depictions by archaeologists either try to show realistic or natural representations of archaeological remains, objects or archaeological deposits or they try to tell a story by creating visual reconstructions. Others are more picturesque and depict the archaeology in the context of the other, the exotic. A fourth category of archaeological visualisations are ethnographic in nature. Especially the first three types of images are usually published in scientific archaeological publications and reports. If the process of doing archaeology is recorded, it is often in the form of the ethnography of archaeology. With these postcards I hope to document the process of archaeology in a differing way. Furthermore, by publishing them on postcards, these photos are able to leave the elitist and restricted realm of scientific publication and other environments in which archaeology can usual be found, be it museums or public monuments or websites. The postcards feature microscopic photos of use wear traces and thus transform the gestures of people in the distant past into material haptic objects in the everyday lives of people in the twenty-first century.

Further inspirations for this little postcards project are the latent undercurrent of and recent call for more alternative and punk-ethos in certain circles in the archaeological community and the stones of the Murgtal Steingarten-project and Mail Art activities of concept artist H.R. Fricker. They stimulated me in the first place to produce something relatively inexpensive and easy to produce (of course, this would not have been possible without the great Ben Peyer of Version1!), common objects, but also something that could feature in everyday life and does not require huge effort on the part of the beholder. Postcards fitted the bill. On the one hand they are collectable objects, on the other they are mundane, everyday objects.

The postcards me and Ben made certainly don’t follow the visual vocabulary of the punk-tradition, but using such mundane objects for publicising my PhD-research and injecting them into everyday life, they might refer to some extend to the punk-ethos. Not unlike the visual output of punk culture, Mail-Artists in the second half of the 20th century made a lot of use of collage and montage techniques as well as stamps and other media and also had a strong d-i-y tradition. Furthermore, I hope the postcards also refer in a tongue-in-cheek manner to the Mail-Art movement and the way scientists in the past – before scientific journals became so common – spread and discussed their scientific findings by correspondence and letters.

Both the punk and the Mail Art movements were also about creating and maintaining communities at various scales. Lately, a lot of exchange between archaeologists and scientists in general takes place in the digital world, via email, social media, blogs, podcasts and platform such as researchgate. With these postcards I would like to extend these lively conversations into the physical world while at the same time, using digital channels to spread them. And last, I still think it is great to receive a postcard in the post and love sending them.

So, if you want to know how to receive a postcards, have a look here. It would be great to hear from you!

I decided not to use references in this text, but the following publications have inspired the production of the postcards and this text:
• Barthes, R., 1980, La chambre claire, Paris
• Edwards, E., 2002, Material beings: objecthood and ethnographic photographs, in Visual Studies, Vol. 17, 1
• H.R. Fricker > work in general more specifically the Steingarten Murgtal project
• Hamilakis, Y., Anagnostopoulos, A. and Ifantidis, F. (2009) Postcards from the edge of time: archaeology, photography, archaeological ethnography, in Public Archaeology, 8, (2-3), 283-309
Punk Archaeology
• Shanks, M. 1997, Photography and Archaeology, in Brian Molyneaux, B. (ed), The Cultural Life of Images: Visual representation in Archaeology
• Those two great blogs by Colleen Morgan – Middle Savagery and Bill Caraher – The archaeology of the mediterranean world


Hafting microliths II – North and south of the Alps

Some things change, some things stay the same. The latter is true for archaeologists as well. And so, for us microliths are still the superstars of the Mesolithic; the fascination they hold as arrowheads of the intrepid Mesolithic hunter, and their use to archaeologists as a finds group that can help them (relatively) date sites or occupational phases of sites. Archaeologists do this by comparing their form and how they are made with those found on sites with known absolute dates, often obtained through radiocarbon dating. Some time ago, it became apparent to me that I knew only of very few microliths from the Alps with evidence of how they were used. They are typically seen as arrowheads, but is that really true? Don’t you agree they, for example, also resemble the blades of Stanley/Japanese/utility knives?

Since then, I have learned about of a group of microliths from the Gaban rock-shelter in the Adige valley, northern Italy. And I have been able to study the microliths from Arconciel/La Souche, Switzerland as well. The artefacts from both sites tell us a lot about how these enigmatic microliths were used all those thousands of years ago. The tools from the Gaban rock-shelter were already studied some years ago by E. Cristiani and colleagues (2009) using two main methods, both involving microscopy. First, they were able to use macroscopic and microscopic traces of wear caused by the tools’ use to determine that the majority of the microliths at Gaban, these are so called trapezes, were used as projectile points. Secondly, the researchers recognised residues on them and they interpreted these as elements of the mastics used to fix the flint tools in the arrow shafts. Two kinds of residues were recognised. A brown residue turned out to be a mixture of bitumen, probably birch tar, and beeswax. The other, red residue turned out to be ochre. The location of theses residues on the tools seems to show how the tools are fixed into the arrow shafts (Cristiani et al, 2009).


Residue distribution and reconstructions of the use of the trapezes. A) Trapeze position as an element of a composite arrowhead. B) Use of the trapeze on a single distal point. From Cristiani et al., 2009 Fig. 8 and 10.

The work on the microliths from Arconciel/La Souche is not yet completely finished, but it is already clear that both strands of evidence for the use of the artefacts from the Riparo Gaban are also present at microliths from Arconciel. Arconciel/La Souche lies at the foot of the Prealps, north of the Alps. Not exactly near the Dolomites. Their date is similar, though, and we know similar looking microliths were produced in much of Europe during the end of the Mesolithic. It is thus interesting to compare the findings of the research into the use of the microliths from Gaban and Arconciel. And indeed a number, but not all of the microliths from Arconciel/la Souche have been used as arrowheads as well, but apparently not in exactly the same way as the arrowheads from Gaban in Northern Italy. The way they were fixed in arrow shafts also differs.

But many questions about the exact use and function of this type of tools are still open. What did people in the Mesolithic hunt with these arrows? And how? And why do some of the microliths show they were used for other tasks, even though they seem to look exactly the same as those used as arrowheads? And why does it differ so much between sites? And if they are used differently, can we still use these tools to date sites? I guess, our growing knowledge of the role microliths played in the lives of hunter-fisher-gatherers living in central Europe eight thousand years ago will probably only increase our fascination with them!

Cristiani, E., Pedrotti, A., & Gialanella, S. (2009). Tradition and innovation between the Mesolithic and early Neolithic in the Adige Valley (northeast Italy). New data from a functional analysis of trapezes from the Gaban rock-shelter Documenta Praehistorica, 36 DOI: 10.4312/dp.36.12