Permian
Chert
News
This is a series of brief treatises based
on own finds, unless indicated otherwise,
of Permian cherts (including uppermost Carboniferous),
every one of them reporting some
observation, idea, interpretation, or discovery
apparently not yet published in the
scientific literature
and
occasionally contradicting
established wisdom.
Every treatise consisting of text, pictures, and references
is
confined to a
concise format of one
or two printed pages, thus differing much from
the lengthy
papers in scientific journals. This is meant
to be a means of
spreading information quickly in easily comprehensible quanta, which
would be virtually
impossible with the conventional ways of publication.
(A few contributions had been published at
www.kieseltorf.de since 2004. Deplorably, that website is closed now.)
For critical comments on other work concerning cherts and fossil wood
see Misconceptions
and Errors and
Mistakes .
The below list will be extended as long as novel observations become
available
List
of issues sorted according
to subjects
Click on the number
"Maggot Fern" foliage
1. Scolecopteris,
the maggot fern: "maggots" fat and lean
2. Venation
pattern
– a distinct feature of
Psaronius tree
fern pinnules
3. Hairs
on Scolecopteris sporangia
4. Scolecopteris
synangium stalks – real and illusory
5. Conspicuous
in the chert - synangia of Scolecopteris
11.
Multiple xylem strands in an unidentified Lower Permian plant from
Döhlen basin
15.
Scolecopteris
spores
17.
Microbes, fungi, "maggot fern"
19.
in German only: Sächsische
Madensteine - ein reiches
Forschungsfeld, nicht gut bestellt
20.
Various
peculiar sporangia in one chert sample
21.
Permian tree fern seedlings or enations ?
22.
Maggot stone black-red-yellow
24.
Maggot fern disputes
26.
Maggot fern confusion
29.
Prickly frond stalks of Permian tree ferns
30.
Permian tree fern details
33.
Fossil plant cuticle as easy crack path
34. "Maggot
stones" reconsidered
35.
Maggot ferns from Sardinia and Saxony - surprisingly similar and
different
44. What one piece of red chert can reveal
Tree fern
trunks and roots
6.
A
conspicuous
Psaronius
specimen from Döhlen Basin
7. Psaronius /Scolecopteris – a
floating
tree fern ?
9.
A
big Psaronius from Döhlen basin, Saxony
12.
A well preserved Psaronius
fragment from Döhlen Basin
21.
Permian tree fern seedlings or enations ?
25.
Psaronius conducting strands with peculiar aspects
30.
Permian tree fern details
39. Deep-red Psaronius
from the Doehlen basin
Other
plants
(see also Fossil Wood News)
10.
Calamite offspring
23.
Sphenophyllum
bristle brush
Creatures
16.
A jellyfish that
would not fit in
42. Uronectes in translucent chert
Fungi
14. Fungi in Permian cherts
17.
Microbes, fungi, "maggot fern"
Microbes
8.
Biogenic iron precipitates in red cherts from
Döhlen basin, Saxony
17.
Microbes, fungi, "maggot fern"
18.
Eerie shapes athwart microbial layer stacks (1)
27.
Eerie shapes athwart microbial layer stacks
(2)
28.
Eerie shapes athwart microbial layer stacks
(3)
36.
Eerie shapes athwart microbial layer stacks (4)
37.
Eerie shapes athwart microbial layer stacks (5)
38.
Eerie shapes athwart microbial layer stacks (6)
40.
Red chert offering fossils and fancy artwork
41.
Real and illusory cracks in red Permian chert
43. Red Permian cherts with freshwater stromatolites
44. What one piece of red chert can reveal
45. Palaeozoic microbes in
chert
Cracks
13.
Various diffusion
effects in
fossiliferous Permian chert
27.
Eerie shapes athwart microbial layer stacks
(2)
31.
Kinky fossils
38.
Eerie shapes athwart microbial layer stacks (6)
40.
Red chert offering fossils and fancy artwork
41.
Real and illusory cracks in red Permian chert
45. Palaeozoic microbes in
chert
Various phenomena
32.
Peculiar chert sample from Doehlen Basin