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Showing results for tags 'pennsylvanian'.
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 20mm X 10mm (11/16" x 3/8"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 29mm X 15mm (1-1/8" x 5/8"). -
E0015 Macroneuropteris scheuchzeri basal pinnule
Mark Kmiecik posted a gallery image in Member Collections
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 18mm X 14mm (11/16" x 9/16"). BASAL PINNULE ONLY. -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW & LIGHT HAMMER TAP. SPECIMEN 87mm X 45mm (3-7/16" x 1-3/4"). CONVEX HALF PARALLEL PLANE SPLIT GLUED. PART OF SPECIMEN SPLIT FROM SURFACE, GLUED. MILD ACETIC ACID BATH AND YELLOW DEXTRIN APPLIED.- 1 comment
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW & LIGHT HAMMER TAP. SPECIMEN 93mm X 25mm (3-5/8" x 1"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 25mm X 10mm (1" x 3/8"). "FISH" SHAPED. -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 35mm X 35mm (1-3/8" x 1-3/8"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES OF SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 50mm x 28mm (2" x 1-1/8"). ALBUMEN APPLIED TO SPECIMEN. -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 63mm X 18mm (2-1/2" x 5/8"). BASAL PINNULE 8mm X 4mm (5/16" x 5/32").-
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Misha's Carboniferous
Chonetinella strophomenid brachiopods from Mineral Wells Fossil Park. Pennsylvanian Mineral Wells Fm.? Mineral Wells, TX. Thank you @Captcrunch227 for sending me these wonderful brachiopods-
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- brachiopods
- carboniferous
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From the album: Misha's Carboniferous
Tooth of Petalodus sp. cartilaginous fish from Mineral Wells Fossil Park. Pennsylvanian Mineral Wells Fm.? Mineral Wells, TX. Thank you to-
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- carboniferous
- mineral wells
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From the album: Misha's Carboniferous
A pair of Punctospirifer spiriferid brachiopods from Mineral Wells Fossil Park. Pennsylvanian Mineral Wells Fm.? Mineral Wells, TX. Thank you @Captcrunch227 for sending me these brachiopods-
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- brachiopod
- carboniferous
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From the album: Mark's Mazon Creek Fossils
FOUND AS-IS; COULD NOT LOCATE COUNTERPART. SPECIMEN MEASURES 22mm x 5mm (15/16" x 3/16"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE-THAW & LIGHT HAMMER BLOW. SPECIMEN 38mm X 15mm (1-1/2" x 5/8").-
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER BLOW. SPECIMEN 70mm X 40mm (2-3/4" x 1-9/16").- 1 comment
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 31mm X 20mm (1-1/4" x 3/4").-
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD &HAMMER BLOW. SPECIMEN IS 112mm x 25mm (4-3/8" x 1"). YELLOW DEXTRIN APPLIED TO SPECIMEN.-
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 32mm X 14mm (1-1/4" x 9/16"). ACETIC ACID BATH, ALBUMEN APPLIED.-
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 50mm X 40mm (2" x 1-7/16"). CONCAVE HALF IS CRACKING DUE TO PYRITE DISEASE?-
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 45mm X 13mm (1-3/4" x 1/2"). CONCAVE HALF BROKEN ACROSS SPECIMEN - GLUED.-
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- francis creek shale
- mazon creek
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER TAP. SPECIMEN 60mm X 40mm (2-3/8" x 1-5/8").-
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- francis creek shale
- mazon creek
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE-THAW & LIGHT HAMMER BLOW. MULTIPLE PINNAE. SPECIMEN 100mm X 50mm (3-15/16" x 2").-
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE-THAW & LIGHT HAMMER TAPS. SPECIMEN 95mm X 30mm (3-3/4" x 1-3/16"). YELLOW DEXTRIN APPLIED TO SPECIMEN.-
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- francis creek shale
- mazon creek
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. TWO TEETH - SPECIMENS 12mm X 8mm (1/2" x 5/16") AND 8mm X 5mm (5/16" x 3/16") . MOST OF EACH TOOTH IS BURIED IN THE MATRIX. BROKEN PIECE OF MATRIX GLUED BACK INTO POSITION PARTIALLY COVERING ONE OF THE TEETH.-
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- francis creek shale
- mazon creek
- (and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 28mm X 8mm (1-1/8" x 5/16").
