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Showing results for tags 'francis creek shale'.
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From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 42mm X 36mm (1-5/8" x 1-3/8"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 35mm X 20mm (1-3/8" x 3/4"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 50mm X 28mm (2" x 1-1/8"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 35mm X 30mm (1-3/8" x 1-3/16"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 42mm X 35mm (1-5/8" x 1-3/8"). -
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. CONVEX HALF BROKEN IN TWO & LEFT AND LEFT SEPARATED TO SHOW DEPTH OF SPCIMEN. SPECIMEN 30mm X 20mm X 15mm (1-3/16" x 13/16" x 5/8"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 78mm X 54mm (3-1/16" x 2-1/8"). BOTH ENDS OF CONCAVE HALF GLUED. -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER BLOW. SPECIMEN 90mm X 60mm (3-9/16" x 2-3/8"). -
From the album: Mark's Mazon Creek Fossils
CONVEX HALF SIDERITE CONCRETION, FOUND AS-IS. SPECIMEN 71mm X 20mm (2-13/16" x 13/16"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY HAMMER BLOW. SPECIMEN 11mm X 10mm (3/8" x 3/8"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER BLOW. SPECIMEN 100mm X 25mm (3-15/16" x 1"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER BLOW. SPECIMEN 98mm X 25mm (3-7/8" x 1"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD. SPECIMEN 99mm X 23mm (3-3/4" x 7/8"). ACETIC ACID BATH APPLIED. CRUMBLED DURING 12 YEARS OF STORAGE -- VICTIM OF PYRITE DISEASE. -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD. SPECIMEN 97mm X 32mm (3-13/16" x 1-1/4"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER BLOW. SPECIMEN 78mm X 17mm (3-1/8" x 11/16"). ACETIC ACID BATH APPLIED. -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD. SPECIMEN 67mm X 25mm (2-5/8" x 1"). BOTH HALVES BROKEN AND GLUED. -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD. SPECIMEN 67mm X 11mm (2-5/8" x 7/16"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD. SPECIMEN 62mm X 27mm (2-7/16" x 1-1/16"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & HAMMER BLOW. SPECIMEN 55mm X 10mm (2-3/16" x 3/8"). BOTH HALVES BROKEN & GLUED. -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER BLOW. SPECIMEN 52mm X 20mm (2-1/16" x 13/16"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER BLOW. SPECIMEN 54mm X 11mm. (2-1/8" x 7/16").-
- 1
-
-
- francis creek shale
- mazon creek
- (and 3 more)
-
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD. SPECIMEN 40mm X 25mm. (1-9/16" x 1")-
- 1
-
-
- francis creek shale
- mazon creek
- (and 3 more)
-
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD. SPECIMEN 95mm X 30mm (3-3/4" x 1-3/16"). -
From the album: Mark's Mazon Creek Fossils
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD. SPECIMEN 65mm X 20mm (1-9/16" x 13/16").
