Paleonet: FW: Digitizing Microfossils

Wed Oct 7 10:10:49 UTC 2020

Dear all
I agree with the power of CT, especially for very small specimen like the one we have published about in the Kendall paper attached.
Having said that for conodonts for example this would be an overkill given the solid structure and not time efficient and a surface render will get to the same result
We have started to put some of our data online at data.bris but are way behind as we have hundreds of scans which we need to make accessible.
Challenging times at the moment impact prioritisation.

Daniela

Prof. Daniela Schmidt FRSB
Cabot Institute and School of Earth Sciences<https://research-information.bris.ac.uk/explore/en/persons/daniela-schmidt(e95bf145-fe50-43e6-8bce-1337480be06f).html>
Research Director Faculty of Science
IPCC WGII Coordinating Lead author Chapter 13 (Europe)
Wolfson Merit Scholar

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My publications in google scholar<https://scholar.google.com/citations?user=xTS90p4AAAAJ&hl=en>

COVID-19 working arrangements - I will be working flexibly during this period. The unusual/new workflows mean that my responses may be slower than normal.

From: Paleonet <paleonet-bounces+d.schmidt=bristol.ac.uk at paleonet.org<mailto:paleonet-bounces+d.schmidt=bristol.ac.uk at paleonet.org>> On Behalf Of Stergios Zarkogiannis
Sent: 07 October 2020 08:54
To: paleonet at paleonet.org<mailto:paleonet at paleonet.org>
Subject: Re: Paleonet: Digitizing Microfossils

Hi Mike,

I agree with Yukun about CT. I can't think of a better way than digitization. Except from the 3D models if the raw acquisition data is also archived then fossil information can be accessible to all levels of accuracy to everyone. If the scanning is performed with a scale (i.e. a calcite crystal for forams) then information of fossil's integrity becomes available too. I also found out that once segmentation has been performed it can be exported to 3D ascii files and can be archived together with the raw acquisition data to be recombined by the user, if needed. I send here a link and attachment to a recent paper where I show all these:

https://gigabytejournal.com/articles/5

Regards,

Stergios

--

Stergios Zarkogiannis, PhD

Faculty of Geology and Geoenvironment
Department of Historical Geology and Paleontology
National and Kapodistrian University of Athens
Greece
Tel: (+30) 2107274221
Website: http://users.uoa.gr/~stergiosz/

On 7/10/2020 03:10, ykshi at nju.edu.cn<mailto:ykshi at nju.edu.cn> wrote:
Hi Mike,
I've done the large foram scan by using MicroCT. Have to say CT is better for foram with complicated internal structures. I've attached my paper (about fossil foram scan and render) here and wish it could help. Let me know if you need further information.

Best wishes
Yukun
________________________________
* * * * * * * * * * * * * * * * * * * *
Dr.Yukun Shi
School of Earth Sciences and Engineering
Nanjing University
163# Xianlin Avenue, Nanjing 210023
P.R.China
E-Mail: ykshi at nju.edu.cn<mailto:ykshi at nju.edu.cn>
* * * * * * * * * * * * * * * * * * * *

From: Howe, Michael P.A.<mailto:mhowe at bgs.ac.uk>
Date: 2020-10-06 00:18
To: PaleoNet<mailto:paleonet at paleonet.org>
CC: Harris, Simon J.<mailto:simhar at bgs.ac.uk>
Subject: Paleonet: Digitizing Microfossils
Hi Everyone,

We are looking to extend GB3D, the UK type fossils database (http://www.3d-fossils.ac.uk/<https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.3d-fossils.ac.uk%2F&data=02%7C01%7C%7C7c07def79bca48d4584408d86a7ad8e7%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637376423229574540&sdata=xeJLYM9MiuQhoXpvRocZomZDPqSLvC9A5924bBGSpn8%3D&reserved=0> ) into microfossils, and this will involve the 3d digitization of mostly isolated forams, conodonts and ostracods. What equipment do list-members suggest for working with these groups? -  we have been considering the Alicona Infintefocus and Photogrammetry. Any suggestions much appreciated. Is there any relevant literature?

Regards.
Mike

Dr Mike Howe
Chief Curator
Head of the National Geological Repository

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