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H A Armstrong
H A Armstrong
Verified email at durham.ac.uk
Title
Cited by
Cited by
Year
Microfossils
H Armstrong, M Brasier
John Wiley & Sons, 2013
5452013
Arabia–Eurasia collision and the forcing of mid-Cenozoic global cooling
MB Allen, HA Armstrong
Palaeogeography, Palaeoclimatology, Palaeoecology 265 (1-2), 52-58, 2008
5412008
Microfossils
MD Brasier, H Armstrong
G. Allen & Unwin, 1980
4961980
Presence of the earliest vertebrate hard tissue in conodonts
IJ Sansom, MP Smith, HA Armstrong, MM Smith
Science 256 (5061), 1308-1311, 1992
2221992
Polar front shift and atmospheric CO2 during the glacial maximum of the Early Paleozoic Icehouse
TRA Vandenbroucke, HA Armstrong, M Williams, F Paris, JA Zalasiewicz, ...
Proceedings of the National Academy of Sciences 107 (34), 14983-14986, 2010
1292010
Conodonts from the Upper Ordovician–lower Silurian carbonate platform of North Greenland
HA Armstrong
Bulletin Grønlands Geologiske Undersøgelse 159, 1-151, 1990
1251990
Origin, sequence stratigraphy and depositional environment of an upper Ordovician (Hirnantian) deglacial black shale, Jordan
HA Armstrong, BR Turner, IM Makhlouf, GP Weedon, M Williams, ...
Palaeogeography, Palaeoclimatology, Palaeoecology 220 (3-4), 273-289, 2005
1202005
Black shale deposition in an Upper Ordovician–Silurian permanently stratified, peri-glacial basin, southern Jordan
HA Armstrong, GD Abbott, BR Turner, IM Makhlouf, AB Muhammad, ...
Palaeogeography, Palaeoclimatology, Palaeoecology 273 (3-4), 368-377, 2009
1042009
Epipelagic chitinozoan biotopes map a steep latitudinal temperature gradient for earliest Late Ordovician seas: implications for a cooling Late Ordovician climate
TRA Vandenbroucke, HA Armstrong, M Williams, F Paris, K Sabbe, ...
Palaeogeography, Palaeoclimatology, Palaeoecology 294 (3-4), 202-219, 2010
1002010
Glaciation and deglaciation of the Libyan Desert: the Late Ordovician record
DP Le Heron, HA Armstrong, C Wilson, JP Howard, L Gindre
Sedimentary Geology 223 (1-2), 100-125, 2010
862010
Rare earth element geochemistry of upper Ordovician cherts from the Southern Uplands of Scotland
AW Owen, HA Armstrong, JD Floyd
Journal of the Geological Society 156 (1), 191-204, 1999
851999
Climatic controls on late Pleistocene alluvial fans, Cyprus
JV Waters, SJ Jones, HA Armstrong
Geomorphology 115 (3-4), 228-251, 2010
822010
Rare earth geochemistry of Arenig cherts from the Ballantrae Ophiolite and Leadhills Imbricate Zone, southern Scotland: implications for origin and significance to the …
HA Armstrong, AW Owen, JD Floyd
Journal of the Geological Society 156 (3), 549-560, 1999
791999
Deep-sea sediments record the geophysiology of the late Ordovician glaciation
HA Armstrong, AL Coe
Journal of the Geological Society 154 (6), 929-934, 1997
761997
Thermal effects on rare earth element and strontium isotope chemistry in single conodont elements
HA Armstrong, DG Pearson, M Griselin
Geochimica et Cosmochimica Acta 65 (3), 435-441, 2001
722001
High frequency eustatic sea-level changes during the Middle to early Late Ordovician of southern Jordan: Indirect evidence for a Darriwilian Ice Age in Gondwana
BR Turner, HA Armstrong, CR Wilson, IM Makhlouf
Sedimentary Geology 251, 34-48, 2012
672012
Ground‐truthing Late Ordovician climate models using the paleobiogeography of graptolites
TRA Vandenbroucke, HA Armstrong, M Williams, JA Zalasiewicz, ...
Paleoceanography 24 (4), 2009
662009
The apparatus architecture of Panderodus and its implications for coniform conodont classification
IJ Sansom, HA Armstrong, MP Smith
Palaeontology 37 (4), 781-800, 1994
651994
Late Ordovician (Ashgillian) glacial deposits in southern Jordan
BR Turner, IM Makhlouf, HA Armstrong
Sedimentary Geology 181 (1-2), 73-91, 2005
642005
Terrane evolution of the paratectonic Caledonides of northern Britain
HA Armstrong, AW Owen
Journal of the Geological Society 158 (3), 475-486, 2001
612001
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