Dear Laura,
I think also a standard for chronotratigraphy is necessary and the ics timescale is therefore the best solution.
Nevertheless, collection specimens are in most cases sorted based on “old” local stratigraphic names, e.g. Kupferschiefer, Rotliegendes, Quaderkalk, Muschelkalk, Bleiglanzbank. Also inquiries used in most cases these names, e.g. search for silver sample in the Kupferschiefer, agate geode from the Rotliegendes of Thüringer Wald, celestine from the Muschelkalk.
For me it is generally hard to place this “old” local stratigraphic names within these ics timescale, this takes a lot of knowledge and time.
Generally, for portals good solutions must be developed that allows searching based on various different timescales and also common local stratigraphic names.
Best regards,
Ralf
Von: cetaf_earthsc@cetaf.simplelists.com <cetaf_earthsc@cetaf.simplelists.com> Im Auftrag von Eder, Johanna
Gesendet: Dienstag, 15. Oktober 2019 07:51
An: cetaf_earthsc@cetaf.simplelists.com
Betreff: Re: [CETAF_ESG] Advice need: about how earth science collections defined stratigraphically in institutions.
Dear Laura,
I fully agree with Björn and Steffen. This is the only choice to apply this standard.
Best wishes
Johanna
Am Mo., 14. Okt. 2019 um 16:24 Uhr schrieb Kröger, Björn <bjorn.kroger@helsinki.fi>:
Hello Laura,
I am not 100% sure what for these categories are needed and why there is some constraint for the number of categories. But properly defined global chronostratigraphic units are the only choice and I would also go for a hierarchical solution with codes for e.g. the Mesozoic unspecified and then lower in the hierarchy toward the periods. The latest international standard can be found here: http://stratigraphy.org/index.php/ics-chart-timescale
Kind regards,
Björn
From: <cetaf_earthsc@cetaf.simplelists.com> on behalf of "laura.tilley@cetaf.org" <laura.tilley@cetaf.org>
Reply-To: "cetaf_earthsc@cetaf.simplelists.com" <cetaf_earthsc@cetaf.simplelists.com>
Date: Monday, 14 October 2019 at 17:10
To: ESG <cetaf_earthsc@cetaf.simplelists.com>
Subject: [CETAF_ESG] Advice need: about how earth science collections defined stratigraphically in institutions.
Dear colleagues,
I am writing to ask for some advice on how I should define the stratigraphic levels for the SYNTHESYS+ Collections Digitisation Dashboard. I have attached an excel sheet with classification of Stratigraphy from the ICEDIG project (sheet 1 in black ink) – I have added some categories in red – but I think there are too many to be filled in. Could Precambrian material be lumped together?
I would like to ask do we need that many categories really? – based on how earth science collections are categorised in institutions.
Do you have any insight into how Earth Science collections are classified?
I need to add a category for unknown.
In sheet two, CSIC Madrid has given an alternative classification.
I would be grateful for any feedback before the end of this week.
Best wishes
Laura
Dr. Laura Tilley
Project Assistant
CETAF, AISBL
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