Search Results - "Grader, George"
-
1
Palynologic delineation of the Devonian-Carboniferous boundary, west-central Montana, USA
Published in Palynology (22-12-2017)“…Cratonic depositional systems in the Central Montana Trough involve the Devonian--Carboniferous boundary (DCB), and reflect both subtle regional epeirogeny and…”
Get full text
Journal Article -
2
Global biostratigraphic comparison and correlation of an early Cisuralian palynoflora from Bolivia
Published in Historical biology (03-10-2015)“…This paper presents new data about Early Permian (Cisuralian) strata, palynostratigraphy and absolute dating from the Copacabana Formation in central Bolivia…”
Get full text
Journal Article -
3
The Palynology of the Lower Permian (Asselian-?Artinskian) Copacabana Formation of Apillapampa, Cochabamba, Bolivia
Published in Palynology (01-12-2012)“…The palynostratigraphy of the lower and Coal members of the Copacabana Formation from Apillapampa, central Bolivia was investigated. Twelve samples yielded…”
Get full text
Journal Article -
4
Lower Sappington Formation palynofacies in Montana confirm upper famennian black shale paleoenvironments and sequences across western North America
Published in Palaeogeography, palaeoclimatology, palaeoecology (15-12-2019)“…For the first time, Late Devonian palynofacies analyses of the Lower Sappington shale units U1A─D was carried out at Peak 9559 (Sacajawea) and Ainger Lake in…”
Get full text
Journal Article -
5
Mid-Late Devonian assemblages of herbaceous lycophytes from northern Argentina and Bolivia: Age assessment with palynomorphs and invertebrates and paleobiogeographic importance
Published in Journal of South American earth sciences (01-11-2015)“…Implications of a new collection of lycophytes of the genera Haplostigma Seward and Paleostigma Kräusel and Dolianiti from southern Bolivia and northern…”
Get full text
Journal Article -
6
New colonial acritarch Involusphaeridium gutschicki gen. et sp. nov. from the Lower Sappington Formation (Upper Famennian), western Montana, USA
Published in Review of palaeobotany and palynology (01-01-2021)“…Palynological investigation carried on the samples from the Unit 1 of the Sappington Formation (Upper Famennian, Montana, USA) reveals a presence of rich…”
Get full text
Journal Article -
7
Identifying groundwater recharge connections in the Moscow (USA) sub-basin using isotopic tracers and a soil moisture routing model
Published in Hydrogeology journal (01-11-2016)“…Globally, aquifers are suffering from large abstractions resulting in groundwater level declines. These declines can be caused by excessive abstraction for…”
Get full text
Journal Article -
8
Permian plants from the Chutani Formation (Titicaca Group, Northern Altiplano of Bolivia): I. Genera Pecopteris and Asterotheca
Published in Anais da Academia Brasileira de Ciências (01-03-2004)“…Fossil plants belonging to the morphogenera Glossopteris, Pecopteris and Asterotheca were collected from the upper part of the Chutani Formation (Titicaca…”
Get full text
Journal Article -
9
Permian plants from the Chutani Formation (Titicaca Group, Northern Altiplano of Bolivia): II. The morphogenus Glossopteris
Published in Anais da Academia Brasileira de Ciências (01-03-2004)“…Fossil plants belonging to the morphogenera Glossopteris, Pecopteris and Asterotheca were collected from the upper part of the Chutani Formation (Titicaca…”
Get full text
Journal Article -
10
Carbonate-siliciclastic sequences of the Pennsylvanian and Permian Copacabana Formation, Titicaca Group, Andes of Bolivia
Published 01-01-2003“…Depositional history of the Copacabana Formation within the Pennsylvanian-Permian Titicaca Group comprises part of a central Andean Late Paleozoic-Triassic…”
Get full text
Dissertation -
11
Carbonate-siliciclastic sequences of the Pennsylvanian and Permian Copacabana Formation, Titicaca Group, Andes of Bolivia
Get full text
Dissertation