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Laggerstatten

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hard & soft tissue replaced by pyrite. what: great diversity. most ... archaeopteryx. Laggerstatten. Classic Examples. Green River & Florissant. when: Eocene ... – PowerPoint PPT presentation

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Title: Laggerstatten


1
Laggerstatten
defined
Soft parts
Classic Examples
Ediacara when Neoprot where Ediacara SA
Mistaken Pt. Newf
Namibia how v. shallow marine
impressions in well sorted sandstone
what earliest metazoans Vendian
fauna Cnidaria, Protoarthropods?
Delicate hard parts
Abundance
Diversity
Importance Firsts anatomy functionl
morph. phylogeny
2
Laggerstatten
Classic Examples
Gun Flint Chert when Archean where Canada
how marine siliceous ooze altered to chert
what single cell, prokaryotes
3
Laggerstatten
Classic Examples
Burgess Shale when Middle Cambrian where
Banf BC how shelf edge slump into
deep anoxic basin hard soft tissue replaced by
pyrite what great diversity most
phyla represented great diversity
disparity
4
Laggerstatten
Classic Examples
Xiang Chen when Early Cambrian where
Central china how shelf edge slump into
deep anoxic basin hard soft tissue replaced
by pyrite what great diversity
first occurrence of many groups great
diversity disparity Embyos
5
Laggerstatten
Classic Examples
Hunsruck Shale when Devonian where Germany
how deep anoxic basin hard soft tissue
replaced by pyrite what Echinoderms Other
6
Laggerstatten
Classic Examples
Mazon Creek when Pennsylvanian where
Illinois how siderite nodules in shale formed
around individuals molds/replacement/carbonizatio
n what Estuary to shallow marine plants,
inverts., high diversity tully monster
7
Laggerstatten
Classic Examples
Solenhofen Limestone when Jurassic where
Germany how v. shallow marine, hyper
saline detailed molds replacement by ? what
Terrestrial to shallow marine plants, inverts.,
high diversity archaeopteryx
8
Laggerstatten
Classic Examples
Green River Florissant when Eocene where
Co, Ut, Wy how anoxic lake sediments v.
detailed molds replacement by silica what
Terrestrial and fresh water fish! plants! insec
ts!
9
Laggerstatten
Classic Examples
Baltic Amber, Dominican Amber when where
Co, Ut, Wy how tree sap what Terrestrial
invert vert. plants insects
10
Laggerstatten
Classic Examples
LaBrea Tar Pits when Pleistocene where down
town LA how encased in petroleum seep what
Terrestrial vert. saber tooth tiger insects
11
Laggerstatten
Classic Examples
Future? Gray Fossil Site when Miocene where
Gray TN how sink hole anoxic
lake unaltered, replaced what Terrestrial
vert. invert. great abundance
12
Laggerstatten
Many Small scale but v. impt. Examples
Fame if you recognize one.
Small deposit within a single quarry Cambrian -
Kangroo Island Silurian - Wakashaw Wisconsin
Pennsylvanian - Humboldt Kansas
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