Results 81 to 90 of about 1,858 (206)

Yapeenian (Early Ordovician) graptolites in the Quebec Appalachians

, 1992
A newly discovered Oncograptus upsilon fauna occurs in a sequence of turbiditic siltstones within the Lower Ordovician Ste-Anne River nappe in the Gaspé area of Quebec.
Jörg Maletz
core   +1 more source

I.—The Graptolites of the Skiddaw Series, etc. II.—On the Classification of Graptolites [PDF]

Geological Magazine
n ...
openaire   +1 more source

Graptolites in the Indian Sub-continent

, 1964
Although geological work has been in progress in India for well over a century, an important lacuna- the absence of graptolites in the sub-continent-had remained unbridged until quite recently when one of us (V. J. G.) made this interesting find.
Gupta, V. J., Sahni, M. R.
core   +1 more source

3D Model of Lodolite with Graptolites (Cod. CL-001-078-1-739)

, 2021
CÓDIGO DE LA PIEZA: CL-001-078-1-739 CATEGORÍA: Elemento Petrográfico CLASIFICACIÓN: Lodolita con Graptolitos ADQUISICIÓN: Donación FECHA DE REGISTRO: 22-09-2022ITEM CODE: CL-001-078-1-739 CATEGORY: Petrographic Element CLASSIFICATION: Lodolite ...
Gómez Cruz, Arley de Jesús, Ríos Cardona, John Jairo, Quiceno Colorado, July, Marín Rámirez, Lina Marcela   +3 more
core  

Upper Llandovery and Wenlock graptolites from Prairie Creek, southern Mackenzie Mountains, Northwest Territories

, 1988
A moderately rich fauna of graptolites, comprising species dominated by Monograptus (sensu stricto), Retiolites, Stomatograptus, and Cyrtograptus is documented from Prairie Creek, southern Mackenzie Mountains, Northwest Territories.
Alfred C. Lenz
core   +1 more source

Identifying Organic Matter (OM) Types and Characterizing OM Pores in the Wufeng-Longmaxi Shales. [PDF]

ACS Omega, 2022
Xie G, Hao W.
europepmc   +1 more source

Victorian Graptolites: Part II. The Graptolites of the Lancefield Beds

, 1899
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Trilobites and graptolites from the Vargas Peña Formation (Early Silurian), Paraná Basin, eastern Paraguay [PDF]

, 2012
Early Silurian trilobites and graptolites from the Vargas Peña Formation of the western Paraná Basin are described. The studied material comes from two successions (San Fernando and Galeano quarries) on the southwestern fank of the Ypacaraí graben, about
Tortello, Marcelo Franco, Bidone, Andrea Rosa, Uriz, Norberto Javier, Galeano Inchausti, Julio C., Alfaro, Marta Beatriz, Cingolani, Carlos Alberto   +5 more
core  

Organic petrology and geochemistry of the Upper Ordovician-Lower Silurian Renheqiao Formation shales of the Baoshan Block, western Yunnan, China

International Journal of Coal Science & Technology
Lower Paleozoic black shales are important source rocks worldwide. The Upper Ordovician-Lower Silurian Renheqiao Formation of the Baoshan Block is a low-maturity equivalent of the Wufeng-Longmaxi (WF-LMX) Shale of the Sichuan Basin.
Yinlong Wang, Detian Yan, Bei Liu, Haijiao Fu, Qingling Jiang, Yin Yuan, Hui Tian   +6 more
doaj   +1 more source

Graptolites as indicators of regional maturity in lower Paleozoic sediments, Selwyn Basin, Yukon and Northwest Territories, Canada

, 1989
Variations in reflectance and bireflectance of graptolites and bitumen are documented from lower Paleozoic rocks of Howard's Pass (XY) Zn–Pb deposit and adjacent portions of the Selwyn Basin.
C. Riediger, R. W. Macqueen, F. Goodarzi
core   +1 more source