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Class Notes for Geology at University of Calgary

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GLGY 307 Lecture Notes - Lecture 19: Ankle, Mesozoic, Acanthostega
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Early Vertebrate Evolution Oldest Chordate Pikaia 5 cm long Cephalocordate Similar to modern lancelet, differ by having a pair of small antennae at head Tapering tail probably used for swimming ...

Geology
GLGY 307
M.Dan Georgescu
GLGY 307 Lecture Notes - Lecture 17: Invertebrate, Sea Urchin, Edrioasteroidea
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First Major Crisis Early Earth Events Four major processes happened in the proximity of the early Earth surface, and all of them will influence the environment in which the life emerged on our planet ...

Geology
GLGY 307
M.Dan Georgescu
GLGY 307 Lecture Notes - Lecture 16: Cenozoic, Rugosa, Tabulata
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Burgess Shale Discovery Burgess Shale fossils were discovered by Walcott at the very beginning of the XXth century in British Columbia It is on e of the most important fossiliferous points all over the...

Geology
GLGY 307
M.Dan Georgescu
GLGY 307 Lecture Notes - Lecture 14: Stromatolite, Archaeocyatha, Craton
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Eidacara Fauna Discovery Rawnsley Quartzite o Uppermost part of the Proterozoic often referred to as Ediacarian Ediacara Fauna Extinction Ediacara fauna appeared ~630 million years ago and develope...

Geology
GLGY 307
M.Dan Georgescu
GLGY 307 Lecture Notes - Lecture 13: Charnia, Annelid, Dickinsonia
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Banded Iron Formations There is another kind of sedimentary rock in the Isua Formation that can cast additional light on the atmosphere composition; this rock type consists of an alternance of thin (m...

Geology
GLGY 307
M.Dan Georgescu
GLGY 307 Lecture Notes - Lecture 12: Purple Bacteria, Pilbara Craton, Petrifaction
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Early Earth Events Four major processes happened in the proximity of the early Earth surface, and all of them will influence the environment in which the life emerged on our planet 1. Early Crust F...

Geology
GLGY 307
M.Dan Georgescu
GLGY 307 Lecture Notes - Lecture 11: Monomer, Paleoarchean, Hydrogen Cyanide
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Lecture 11: Biological & Paleontological Species Species are considered today the fundamental units in the classification of the life forms on Earth; this means that practically each living or fossil organism on ...

Geology
GLGY 307
M.Dan Georgescu
GLGY 307 Lecture Notes - Lecture 10: Paleontology, Essentialism, Nominalism
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Module 4: Principles of Evolution Species distribution in space & time having as main purpose sediment & rock dating. Assemblages zones, interval zones, acme zones A biostratigraphical zone or bi...

Geology
GLGY 307
M.Dan Georgescu
Geology
GLGY 493
Alex Dutchak
GLGY 307 Lecture Notes - Lecture 6: Prokaryote, Radiolaria, Plant
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Lecture 6: Sedimentary Rocks Ctd. Evaporites • Rocks originally precipitated from a saturated surface near surface brine by hydrologies driven by solar evaporation • Occurrences of evaporites in t...

Geology
GLGY 307
M.Dan Georgescu
GLGY 307 Lecture Notes - Lecture 4: Ooid, Lithification, Mudflat
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Lecture 4: How an Organism Becomes a Fossil Rapid Burial • The most important condition for an organism to become a fossil (fossilize) is to be buried rapidly • Highest chances of fossilization are in ar...

Geology
GLGY 307
M.Dan Georgescu
GLGY 307 Lecture Notes - Lecture 2: Permafrost, Vertebrate Paleontology, Permineralization
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Lecture 2: Fossils Fossils are remains of older life forms, vestiges of once living organisms Fossilization: the process through which a living organism is transformed into a fossil Fossils subfossils; threshold at 11,700...

Geology
GLGY 307
M.Dan Georgescu
GLGY 493 Lecture 1: Midterm 2 Paleozoic Time Line

Cambrian Landmass: 6 continents formed after the break up of Rodinia 1. Laurentia (N.A, Greenland, Ireland, Scotland) 2. Baltica (N. Europe, Western Russia) 3. Kazakhstania (Between Caspian Sea and China) 4. Siberia (Russi...

Geology
GLGY 493
Alex Dutchak
GLGY 209 Lecture Notes - Lecture 14: Lithification, Georges Cuvier, James Hutton
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Lecture 14 Day 1 STRATIGRAPHY AND GEOLOGICAL TIME SCALE INTRODUCTION PRINCIPLES OF STRATIGRAPHY SEDIMENTARY STRUCTURES IN STRATIGRAPHY UNCONFORMITIES RELATIVE GEOLOGIC TIME SCALE TYPES OF CORRELATIONS INTRODUCTION STRATIGR...

Geology
GLGY 209
Mosi Agbogun

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