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

+32 (0) 2 627 42 50

laura.tilley@cetaf.org

 

CONSORTIUM OF EUROPEAN TAXONOMIC FACILITIES

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rue Vautier, 29 1000, Brussels. Belgium

www.cetaf.org

 

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