Raymond Oliver Oliver.Raymond at ga.gov.au
Mon Apr 15 20:49:34 EDT 2019

Hi Eric,

I can't be there.  But I will telecon if the timing is not too horrendous.

But here's one for the agenda.... Timescale-Lite?

Here at GA, we are really getting into geological web services in a big way, and linking them lots - eg, samples, fieldsites, boreholes, stratigraphic units, geochemistry analyses, etc.  Currently, the majority of these are simple WMS/simple WFS services.  But our stratigraphic units web service will be our first big foray into complex GSML - delivering our entire stratigraphic lexicon database.  One of the things we want to do is filter our stratigraphic units and other services by age, which requires linking to a hierarchical timescale service which contains numerical ages. The current ICS timescale vocabulary doesn't contain filterable numerical ages, and only goes down to stage level (ie, no lower level conodont/graptolite/trilobite/brachiopod biozones) so it is not suitable for our particular needs.  So we are looking at publishing a simple flattened view of our GA timescale database to support age-based queries in our web services that won't need to involve a) publication of a complex timescale ontology as a web service, and b) resolution of complex parent/child and numeric hierarchies.  Maybe something like a table with these columns and example values that would show the entire flattened hierarchy of a given time zone:

ZoneName  (= Tasmanorthis costata)
ZoneName_uri  (= pid.geoscience.gov.au/geologicaltimescale/ga/zone/Tasmanorthis_costata)
Rank (= biozone)
Eon (= Phanerozoic)
Era (= Paleozoic)
Period (= Ordovician)
SubPeriod (= null)
Epoch (= Upper Ordovician)
Stage (= Sandbian)
SubStage (= null)
Biozone (= Tasmanorthis costata)
SubBiozone (= null)
YoungerNumericAge (= 455.40)
OlderNumericAge (= 457.44)
Source  (= Laurie, J.R., 1991. Articulate brachiopods from the Ordovician and Lower Silurian of Tasmania. Memoirs of the Association of Australasian Palaeontologists 11, 1-106. Numeric ages interpolated from ICS 2016 timescale.)

Worth looking at?


Ollie Raymond

Senior Geologist  |  Team Lead, Resources Division Information Services
Geoscience Australia

Australia/New Zealand Government Geoscience Information Committee (GGIC)<http://www.geoscience.gov.au/about>
IUGS Commission for the Management and Application of Geoscience Information (CGI<http://www.cgi-iugs.org/>)

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From: GeoSciML <geosciml-bounces+oliver.raymond=ga.gov.au at lists.opengeospatial.org> On Behalf Of Boisvert2, Eric (NRCan/RNCan) via GeoSciML
Sent: Saturday, 13 April 2019 3:44 AM
To: GeoSciml OGC mainling list <geosciml at lists.opengeospatial.org>
Cc: Boisvert2, Eric (NRCan/RNCan) <eric.boisvert2 at canada.ca>
Subject: [GeoSciML] GeoSciML DWG Leuven

Hi all

We just got early notification that OGC will open session reservation for Leuven, Belgium (end of June 2019).
Is there a need (and expected attendance) for a GeoSciML session, any agenda items ?
I filed a request to travel to Belgium because I need to get there for other businesses too.

Note : there will be a OneGeology TIG meeting on Friday June 28th at the Royal Museum for Central Africa, Tervuren, Belgium

Eric Boisvert
Gestionnaire du programme de géosciences environnementales (intérimaire)
Environmental Geoscience Program Manager (acting)
eric.boisvert2 at canada.ca<mailto:eric.boisvert2 at canada.ca>,
orcid: http://orcid.org/0000-0001-6256-2912
phone 418-654-3705,
facsimile/télécopieur 418-654-2615
490, rue de la Couronne, Québec (Québec),
G1K 9A9, Canada

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Ressources naturelles Canada / Natural Resources Canada Gouvernement du Canada  / Government of Canada


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