Navajo County
ARIZONA
American Museum of Natural History Specimen
[Triassic]
El Kurru
Nubian Desert
SUDAN
Silicified Cypress-like Conifer Wood
Protocupressionoxylon purbeckensis
[Cretaceous - Purbeckian]
Great Dirt Bed
Portland
Dorset
UNITED KINGDOM
Photographed by Michael P. Klimetz
Pinus sp.
[Oligocene]
Antero Formation
Hartsel
COLORADO
Photographed by Michael P. Klimetz
Conifer Root
Robert Sheep Ranch
Rattlesnake Hills
WASHINGTON
Araucaria
Triassic
MADAGASCAR
Photographed by Michael P. Klimetz
Photographed by Michael P. Klimetz
Telephragmoxylon comanchense
Cretaceous
Fredricksburg Formation
(Torrey)
Trinity Division Member
Parker County
TEXAS
Mineralized Wood
[Recovered from Kimberlite Diatreme]
Cretaceous
Murfreesboro
ARKANSAS
Photographed by Michael P. Klimetz
Photographed by Michael P. Klimetz
Mineralized Wood
[Recovered from Kimberlite Diatreme]
Cretaceous
Murfreesboro
ARKANSAS
Photographed by Michael P. Klimetz
Mineralized Wood
[Recovered from Kimberlite Diatreme]
Cretaceous
Murfreesboro
ARKANSAS
Photographed by Michael P. Klimetz
Mineralized Wood
[Recovered from Kimberlite Diatreme]
Cretaceous
Murfreesboro
ARKANSAS
Photographed by Michael P. Klimetz
Conifer (?) Branch Fragment
[In Siltsone]
Early Permian
El Pueblo Tracksite
NEW MEXICO
Photographed by Michael P. Klimetz
Silicified Wood
Oligocene
John Day Formation
Congleton Hollow
South Fork-Crooked River
Prineville
Crook County
OREGON
Photographed by Michael P. Klimetz
Silicified Wood
Oligocene
John Day Formation
Congleton Hollow
South Fork-Crooked River
Prineville
Crook County
OREGON
Photographed by Michael P. Klimetz
Silicified Wood
Oligocene
John Day Formation
Congleton Hollow
South Fork-Crooked River
Prineville
Crook County
OREGON
Photographed by Michael P. Klimetz
Silicified Wood
Oligocene
John Day Formation
Congleton Hollow
South Fork-Crooked River
Prineville
Crook County
OREGON
Photographed by Michael P. Klimetz
Silicified Wood
Oligocene
John Day Formation
Congleton Hollow
South Fork-Crooked River
Prineville
Crook County
OREGON
Photographed by Michael P. Klimetz
Opalized Wood
Miocene-Langhian
Virgin Valley District
Humboldt County
NEVADA
Photographed by Michael P. Klimetz
Opalized Wood
Miocene-Langhian
Virgin Valley District
Humboldt County
NEVADA
Photographed by Michael P. Klimetz
Opalized Wood
Miocene-Langhian
Virgin Valley District
Humboldt County
NEVADA
Photographed by Michael P. Klimetz
Opalized Wood
Miocene-Langhian
Virgin Valley District
Humboldt County
NEVADA
Photographed by Michael P. Klimetz
Opalized Wood
Miocene-Langhian
Virgin Valley District
Humboldt County
NEVADA
Photographed by Michael P. Klimetz
Siderite-Replaced Wood
Miocene
Holesice Member
"Stump" Horizon
Bílina Coal Mine
Most Basin
Bílina
Ústí Region
Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz
Siderite-Replaced Wood
Miocene
Holesice Member
"Stump" Horizon
Bílina Coal Mine
Most Basin
Bílina
Ústí Region
Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz
Siderite-Replaced Wood
Miocene
Holesice Member
"Stump" Horizon
Bílina Coal Mine
Most Basin
Bílina
Ústí Region
Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz
Siderite-Replaced Wood
Miocene
Holesice Member
"Stump" Horizon
Bílina Coal Mine
Most Basin
Bílina
Ústí Region
Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz
Siderite-Replaced Wood
Miocene
Holesice Member
"Stump" Horizon
Bílina Coal Mine
Most Basin
Bílina
Ústí Region
Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz
Siderite-Replaced Wood
Miocene
Holesice Member
"Stump" Horizon
Bílina Coal Mine
Most Basin
Bílina
Ústí Region
Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz
Siderite-Replaced Wood
Miocene
Holesice Member
"Stump" Horizon
Bílina Coal Mine
Most Basin
Bílina
Ústí Region
Bohemia
CZECH REPUBLIC
Photographed by Michael P. Klimetz
Polished Slab
Holbrook
Navajo County
ARIZONA
Photographed by Michael A. Klimetz
Photographed by Michael A. Klimetz
Navajo County
ARIZONA
American Museum of Natural History Specimen
Photographed by Michael A. Klimetz
Photographed by Michael A. Klimetz
Photographed by Michael A. Klimetz
Silicified Cypress-like Conifer Wood
Protocupressionoxylon purbeckensis
[Cretaceous - Purbeckian]
Great Dirt Bed
Portland
Dorset
UNITED KINGDOM
Photographed by Michael P. Klimetz
Photographed by Michael P. Klimetz
Conifer Root
Robert Sheep Ranch
Rattlesnake Hills
WASHINGTON
Photographed by Michael P. Klimetz
Conifer (?) Branch Fragment
[In Siltsone]
Early Permian
El Pueblo Tracksite
NEW MEXICO
Photographed by Michael P. Klimetz
Silicified Conifer
Jurassic
UTAH
Photographed by Michael P. Klimetz
Silicified Conifer
Jurassic
UTAH
Photographed by Michael P. Klimetz
Silicified Conifer
Jurassic
UTAH