Category Archives: Archaeology

More archaeology porn

Nothing much has been happening the past couple of days, so here are some pictures I took in at Canyon de Chelly last Christmas (as always, click to embiggen):

This rock art panel was obviously painted after the Spanish arrived in the area. According to our guide, it depicts the military expedition of Antonio de Narbona in 1805, in which a large number of Navajos were killed or taken captive.

 

This should be immediately recognizable to any Southwestern archaeology geeks reading my blog. For the rest of you, it’s a picture of the well known White House Ruin, probably the most visually impressive ruin in Canyon de Chelly. It was built by a people known today as Anasazi or Ancestral Pueblo.

 

This is White House Ruin again, this time seen from the canyon rim. Construction of this pueblo began around AD 1050, and it seems to have been occupied for roughly 200 years. Why they left is still very much an open question in archaeology, although many of the current theories tie abandonment of this and other pueblos to changes in climate.

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Archaeology is fun

Especially when you combine it with computer games. A team at UCSD are experimenting with using a hacked Kinect to rapidly create 3D scans of archaeological sites. This technology can’t come fast enough for me, and I think anybody who has ever painstakingly mapped a cluster of rocks with pencil and clipboard, on the off chance that they might be significant*, would agree.

*It’s amazing how often what appears on the surface to be a deliberate stone ring will prove, upon excavation, to be just a random bunch of rocks. Sometimes the human brain is a little too good at seeing patterns.

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More books

We had a little extra money, so I decided to spring for six volumes of the Handbook of North American Indians. They arrived today, and after looking though them all, I realize there are a couple more I really should get as well. But at least I’ve got something to keep me busy over the weekend.

Also, this is my 100th post!

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Archaeologists don’t dig dinosaurs

But sometimes we do uncover fossils in an archaeological context. In the case reported here, marine fossils seem to have been used in a religious context at Palenque. The Maya of the Late Classic period apparently knew that they had uncovered the remains of long dead sea creatures.

However, I would not be so quick to conclude that finding those fossils caused the Maya to believe that the world was originally covered with water. A primordial ocean is such a widespread element in mythology that I find it far more likely the fossils merely reinforced an existing cosmogony. It will be interesting to see what further research will turn up.

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Mesa Grande opening up to visitors

One of the most significant Hohokam sites in Arizona is going to be open to the public, perhaps as early as next February. Mesa Grande was a political center that helped control an extensive network of irrigation canals in the Phoenix area more than 500 years ago.

Whenever an important archaeological site is open to visitors there are always concerns about possible damage, and I sympathize with those who want sites like this one to be protected. But education in archaeology is as necessary as investigation. If the findings of archaeologists are available only in the professional literature and never discussed outside the academy, then it becomes hard to see the point of doing it at all. In addition, funding for archaeology is very heavily dependent upon public interest. If enough people lose interest in understanding and preserving the past, archaeology will largely disappear, and antiquities protection laws will no longer be enforced.

Also, speaking purely for myself, I’m looking forward to seeing the place.

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The evolution of complex systems

Economics writer Tim Harford recently gave a very interesting talk at TED about trial and error in the development of complex systems.

If I can go off on a tangent for a moment, while watching Harford speak, I was reminded Donald Hardesty’s discussion of evolutionary mechanisms in his Mining Archaeology in the American West: A View from the Silver State. (Yes, I’m aware that my brain works in strange ways.)

Drawing on work done by Patrick Kirch on cultural adaptation on islands, Hardesty describes three stages in the development of a mining district. Technologically, the first stage is characterized by low diversity and poor adaptation to the specific environment of the district. During the second stage, there is a great deal of experimentation with new techniques for both mining and milling. By the third stage, most people have begun to employ the best of the solutions worked out during the second stage. Technological diversity drops once again, but it is now much better adapted to the specific needs of the district. This sequence of development can often be seen archaeologically, as well as through historical documents.

Of course, even in the third stage some experimentation is still going on, although genuine improvement occurs at a much slower pace. The evolution of the technology continues as long as mining is still going on in that district. A similar process of technological evolution can be expected any time people colonize a new environment, although it is not always so clearly visible in the archaeological record.

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I think I picked the wrong specialty

I should have chosen this one. Now that’s what I call experimental archeology!

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Mammoth carving

According to this press release, a carving of a mammoth was incised on a bone fragment discovered at an archaeological site in Florida. This is an exciting discovery, and the first such image found on a bone in the Americas. However it is a little extreme to claim, as the press release does, that this is the only known image of a proboscidean (aka animals with trunks – elephant relatives) found in the Americans. There are at least three petroglyphs in Utah that appear to depict mammoths or mastodons, one of which I blogged about a while back.

Still, Pleistocene-era art in the Americas is extremely rare, and this is a remarkable find.

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Technology

I sure it won’t be a shock to regular readers of this blog that I am fascinated by the development of technology. One of the ways humanity is different from every other species on Earth is that tools and their use profoundly shape nearly every aspect of our lives. And not just in recent times: the very first anatomically modern humans already possessed a sophisticated tool kit that helped them acquire and process food, manufacture clothing and adornment, build shelters, and perform all the various tasks of daily life. We are the species that interacts with our environment through technology.

That’s one of the reasons that I find the archaeology of the American West so fascinating. It was a time of very rapid change, in technology as well as in many other aspects of culture. The technology of mining and milling advanced rapidly in the second half of the nineteenth century, with many of the new techniques being invented in Nevada and California. During that same period, developments in transportation and mechanization transformed a society largely made up of independent farmers into one of widespread wage labor.

At the same time, indigenous cultures were also undergoing profound technological changes. American Indians adopted many Euro-American technologies, but did not necessarily employ them in the same ways that white Americans did. At times, old and new technologies were blended as, for example, in the use of glass telegraph insulators as a material for making projectile points.

Both Indians and white Americans at times adopted new technologies without fully understanding their ramifications – both positive and negative. Both Indians and white Americans sometimes made technological choices that were, in hindsight, unwise. And during the nineteenth and early twentieth centuries, new technologies helped produce profound changes in both Indian and white American cultures.

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Searching through old garbage

The Anchorage Daily News has a surprisingly good story about archaeologists working at an important site in Alaska’s Brooks Range. The video, in particular, I think, helps explain why archaeologists put up with all the hardships: bugs, dirt, awful weather, dangerous animals, and everything else that sometimes makes like less than pleasant. In the words of physicist Richard Feynman, it’s for the pleasure of finding things out.

One very interesting finding mentioned in this story is that the one example of a fluted projectile point found at this site came from a level younger than similar points found elsewhere in North America. This suggests that fluted points were invented in more southern regions and then spread north. This agrees with the suggesting made in American Antiquity last year by Charlotte Beck and George T Jones that fluted points originated in either the Southeast or the southern plains at a time when the inhabitants of the Intermountain West were using a completely different style of point.

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