Results 101 to 110 of about 7,697 (253)

Trace fossils in Quaternary glacial varved clays near Uppsala, Sweden

open access: yes, 2011
Trace fossils Broomichnium cf. fliri, Glaciichnium cf. liebegastensis, Planolites isp., ? Undichna isp. and ? Warvichnium ulbrichi have been recognised in early Holocene glacial varved clays near Vittinge, west of Uppsala, Sweden.
Kumpulainen, Risto A.,   +4 more
core   +1 more source

The Evolutionary Significance of Cambrian Ecdysozoan Trace Fossils

open access: yes, 2020
The origin of most of the animal phyla is tied to the Cambrian explosion, a rapid diversification event that took place from about 540 million years ago.
Kesidis, Giannis
core  

Trace elements discriminate between tissues in highly weathered fossils

open access: yes, 2023
Version 1, reviewed in Nature CommunicationsPalaeontologists assess the affinities of fossils using either morphology-based phylogenetic analyses, possibly enhanced by the use of advanced imaging techniques, or the identification of remnants or ...
Réguer, Solenn   +9 more
core  

Embedding Chemistry and Pharmacy Into Sustainability

open access: yesAngewandte Chemie International Edition, EarlyView.
Chemistry and pharmacy provide products and processes that are indispensable for our high living standard. To understand their relationship with sustainability is important to allow them to contribute to sustainability in a sustainable manner. An integrated overview of green, circular, and sustainable chemistry and pharmacy is given and how they have t
Klaus Kümmerer
wiley   +1 more source

Trace fossils in the «Carrascalejo Beds». Chronostratigraphic implications

open access: yes, 1992
Trace fossils (Cruziana and Rusophycus) are described for the first time in the Carrascalejo beds. The stratigraphy of this unit is also modified; the conglomeratic basal beds are included in the underlying Precambrian series.
García Hidalgo, J. F.
core  

Palaeoecological significance of the trace fossil Circulichnis Vyalov, 1971 from the Carboniferous of the Donets Basin, Ukraine

open access: yesGeologija
The ichnogenus Circulichnis Vyalov is a horizontal a ring- or ellipse-shaped burrow and/or locomotion trace of an unknown producer, most likely an annelid or a “worm”, preserved on the bedding plane. This ichnogenus is known over a wide
Vitaly Dernov
doaj   +1 more source

Reviewing the Ediacaran fossils of the Long Mynd, Shropshire

open access: yes
The Precambrian fossils of the Long Mynd, Shropshire, are becoming increasingly important to studies of palaeoecology and evolution immediately prior to the 'Cambrian Explosion' of animal life.
Liu, Alexander G.
core  

Pleistocene trace fossils in the Ironshore Formation, Little Cayman, British West Indies

open access: yes, 2011
Oosparite grainstones of the Pleistocene Ironshore Formation, Little Cayman, British West Indies, contain the trace fossils Conichnus conicus, Ophiomorpha nodosa, and Planolites beverleyensis.
Metz Robert, Metz, Robert, Robert Metz
core   +1 more source

Ichnologic and sedimentologic datasets from the Ediacaran–Cambrian Chapel island formation, Newfoundland, CanadaMendeley Data

open access: yesData in Brief
Extensive ichnologic and sedimentologic datasets were gathered from six localities (Fortune Head, Fortune North, Grand Bank Head, Lewin's Cove, Little Dantzic Cove, and Point May) of the Ediacaran–Cambrian Chapel Island Formation at Burin Peninsula ...
Romain Gougeon   +5 more
doaj   +1 more source

Pleistocene-Holocene Trace Fossils in Lacustrine Glacial Lake Strata, Geneseo River Valley, New York

open access: yes, 2015
A recent slump near the Genesee River in Livingston County, New York, exposed varved strata containing numerous trace fossils in the silt layers representative of the Mermia Ichnofacies.
James, Davitia   +11 more
core   +1 more source

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