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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").-
- francis creek shale
- mazon creek
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(and 3 more)
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From the album: Mark's Mazon Creek Fossils
CONCAVE HALF OF FRAGMENT OF SIDERITE CONCRETION, FOUND AS-IS. SPECIMEN, 70mm X 30mm (2-3/4" x 1-3/16").-
- francis creek shale
- mazon creek
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(and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY LIGHT HAMMER TAP. SPECIMEN 88mm X 28mm (3-1/2" x 1-1/8").-
- francis creek shale
- mazon creek
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(and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 54mm X 12mm (2-1/8" x 1/2").-
- francis creek shale
- mazon creek
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(and 3 more)
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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").-
- 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
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(and 3 more)
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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.-
- francis creek shale
- mazon creek
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(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 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
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(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 BLOW. SPECIMEN 75mm X 24mm (2-15/16" x 15/16"). ACETIC ACID BATH APPLIED. OILED.-
- 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 BLOW. SPECIMEN 75mm X 14mm (2-15/16" x 9/16"). ACETIC ACID BATH APPLIED.-
- francis creek shale
- mazon creek
-
(and 3 more)
Tagged with:
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW & LIGHT HAMMER TAP. SPECIMEN 67mm X 21mm (2-5/8" x 13/16"). PROXIMAL END OF BOTH HALVES BEGAN CRUMBLING DURING STORAGE. ACETIC ACID BATH APPLIED. OILED W/MACHINE OIL.-
- 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").-
- 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 80mm X 25mm (3-1/8" x 1"). OVER A PERIOD OF ROUGHLY 15 YEARS THE CONVEX HALF CRACKED AND PART OF THE SPECIMEN'S SURFACE DETACHED. GLUED BACK INTO POSITION - BADLY.-
- 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 101mm X 30mm (4" x 1-3/16").-
- 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
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(and 3 more)
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY LIGHT HAMMER BLOW. SPECIMEN 23mm X 8mm (7/8" x 5/16").-
- francis creek shale
- mazon creek
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(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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(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 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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(and 3 more)
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From the album: Mark's Mazon Creek Fossils
CONCAVE HALF OF SIDERITE CONCRETION, FOUND AS-IS. SPECIMEN 100mm X 35mm (3-15/16" x 1-3/8").-
- 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 BLOW. MULTIPLE PINNAE. SPECIMEN 100mm X 50mm (3-15/16" x 2").-
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- francis creek shale
- mazon creek
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(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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(and 3 more)
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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
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(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 BLOW. SPECIMEN 38mm X 15mm (1-1/2" x 5/8").-
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- francis creek shale
- mazon creek
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(and 3 more)
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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.-
- 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 35mm X 35mm (1-3/8" x 1-3/8").-
- francis creek shale
- mazon creek
-
(and 3 more)
Tagged with: