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Thanks for your reply and it was not so late since you shared some very important aspects! You are right that this region has some of the oldest pottery already discovered in America. Despite some of them could in fact be related to manioc/cassava processing, since the region (few km from...

Yes, they have!

And this one is about the so-called rehydroxylation method: https://royalsocietypublishing.org/doi/10.1098/rspa.2012.0109

Absolutely sure and this is even more evident when I touch them.

This is one of my current interests and in fact they can be dated by several techniques including thermoluminescence, radiocarbon, maybe even by reydroxylation, etc.

That's nice that your best friend lives in Goiânia and it is in fact near here and about 250 km from the site.

Yes, only some hundreds of km north of Brasilia

I'm sorry, I mean west!

In fact he located many gold nuggets in this locality.

Yes, I know where Tangara da Serra is and it is more or less 1,400 km west of the place where I located these pottery shards.

Yes, it is possible to see the porous nature and also some of the constituents. However, in the fragment at the upside right of the first image, you can see that it is a piece with some interesting plastic decoration.

In fact, this is a microscopic detail from the surface of one of the pottery shards. It shows some of the raw materials used to produce the pottery.

Yes, of course! Do you have some preference among them? Could you suggest some of those of the photo?

Thank you for your feedback! It is nice to hear that you know a little about Brazil from your chatting with Don. Brazilian pottery is clustered into traditions, but there are several specific aspects related to such findings that are really difficult to classify within some specific tradition or...

Thank you for your encouragement! I will continue researching those people that produced such diverse pottery!

Hello, I recently identified a site in Central Brazil with hundreds (more probably thousands) of ceramic shards of the most varied pottery and manufacturing styles. Below (attached) are some photos (macro - 23 x 23 square cm) and light microscope details (micro - some few square mm) with temper...

Hi, Do you have some suggestions about the possible application of this stone by some ancient people from Brazil that were hunters, gatherers, and ceramists? My hypothesis is that it could be a pottery burnishing stone. Thanks in advance!

These are some of the rock paintings. Do you have some idea about some possible origin and meaning?

Thanks for your comments! I found several other very interesting artifacts in addition to some incredible rock paintings.

Some additional suggestion?