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State Fossils
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Texas Symbols
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Texas State Stone
Petrified Palmwood
(Palmoxylon sp.)
Adopted on March 26, 1969.
Petrified palmwood, Palmoxylon sp., is the state stone of Texas. It was adopted on March 26, 1969. It is from the Oligocene Epoch, 34-23 MYA and can be collected from many scattered East Texas sites. Palmoxylon is the genus designated for petrified trunks of palm. Palms date back to 80 million years ago.
Petrified palmwood can be found in many parts of the state, but is especially common in the East Texas Piney Woods region and along the Gulf Coast in the Toledo Bend area shared by both the states, Texas and Louisiana. It was left by trees that grew when the Gulf of Mexico's shoreline was much farther north.
The most beautiful of fossils, yes fossils, is petrified wood. Most of the time dead trees lying on the ground decompose completely in as little as three years.
However, oftentimes buried material is gradually replaced by silica and other material like calcite, dolomite and pyrite from water solutions that permeate the rock. This process is called petrification. The most spectacular of this replacement process is that of wood by agate or opal by the action of hot, silica-bearing water. The resulting fossil is more dense and heavier than the wood of the original tree. The state stone of Texas is Petrified Palmwood.
House Concurrent Resolution No. 12,
61st Legislature, Regular Session (1969)
STATE GEM AND STONE
House Concurrent Resolution No. 12
WHEREAS, The State of Texas has not officially designated a State gem or a State stone; and
WHEREAS, The Texas Gem and Mineral Society has adopted appropriate resolutions in support of designating the TEXAS BLUE TOPAZ as the official State gem and PETRIFIED PALMWOOD as the official State stone; and
WHEREAS, It is appropriate that the 61st Legislature take the necessary action whereby the TEXAS BLUE TOPAZ and PETRIFIED PALMWOOD may be officially named as the State gem and the State stone, respectively; now, therefore, be it
RESOLVED by the House of Representatives of the State of Texas, the Senate concurring, That the recommendations of the Texas Gem and Mineral Society be and are hereby adopted, and that the TEXAS BLUE TOPAZ be and is hereby declared to be the official State gem and PETRIFIED PALMWOOD be and is hereby declared the official State stone of Texas.
Adopted by the House on March 19, 1969; adopted by the Senate on March 24, 1969.
Approved March 26, 1969.
Filed with the Secretary of State, March 26, 1969.
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State Fossils
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Most US states have made a state fossil designation, in many
cases during the 1980s. It is common to designate one species in which fossilization has
occurred, rather than a single specimen, or a category of fossils not limited to a single
species.
Some states that lack a "state fossil" have nevertheless singled out a fossil for formal
designation such as a state dinosaur, rock, gem or stone.
fossil (fŏs'əl)
n.
1. A remnant or trace of an organism of a past geologic age, such as a skeleton or
leaf imprint, embedded and preserved in the earth's crust.
2. One, such as a rigid theory, that is outdated or antiquated.
adj.
1. Characteristic of or having the nature of a fossil.
2. Being or similar to a fossil.
3. Belonging to the past; antiquated.
[From Latin fossilis, dug up, from fossus, past participle of fodere, to dig.]
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