Photographed by Michael A. Klimetz
Petrified Wood
Navajo County
ARIZONA

American Museum of Natural History Specimen
Photographed by Michael A. Klimetz
Navajo County
ARIZONA

American Museum of Natural History Specimen
Photographed by Michael A. Klimetz
[Triassic]

El Kurru

Nubian Desert
SUDAN

Photographed by Michael A. Klimetz
Silicified Cypress-like Conifer Wood

Protocupressionoxylon purbeckensis

[Cretaceous - Purbeckian]
Great Dirt Bed

Portland

Dorset
UNITED KINGDOM

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
Pinus sp.

[Oligocene]
Antero Formation

Hartsel

COLORADO

Photographed by Michael P. Klimetz
Photographed by Michael P. Klimetz
Conifer Root - Cell Structure

Robert Sheep Ranch

Rattlesnake Hills

WASHINGTON

Photographed by Michael P. Klimetz
Conifer Root

Robert Sheep Ranch

Rattlesnake Hills

WASHINGTON

Araucaria

Triassic

MADAGASCAR

Photographed by Michael P. Klimetz
Opalized

IDAHO
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

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