Slow Heart Beat (Bradycardia) An abnormally slow sinus heart rate is called the âsick sinus syndromeâ and, if severe, results in symptoms of fatigue. In some such cases a permanent pacemaker is needed to be implanted to generate a normal heart rate. Many people with sick sinus syndrome also develop atrial fibrillation.
Petrified wood is actually stone that looks exactly like wood. Petrified wood is actually stone that looks exactly like wood. The detail in the stones is amazing-it looks just like wood but is much stronger and heavier. You can even see the tree rings.Petrified wood literally means wood turned into stone.The word petrify comes from the Greek word petro or rock - Petrify means to change organic matter into a stony concretion by encrusting or replacing its original substance with a calcareous, siliceous, or other mineral deposits.ou can even see the tree rings. Petrified wood literally means wood turned into stone. The word petrify comes from the Greek word petro or rock - Petrify means to change organic matter into a stony concretion by encrusting or replacing its original substance with a calcareous, siliceous, or other mineral deposits.
Petrified Forest is primarily a geological park. The stunning vistas and barren âbadlandsâ of the park are a result of the interaction between geology and climate. The paleontological resources, which the park was initially created to protect, are exposes from the substrate by rain-and wind-induced erosion in the park.homas, Petrified Forest National Park, personal communication, 2000). The well house is located on the north bank of the river, in clear sight of the bridge. Numerous water quality samples from the well show a consistent concentration of total dissolved solids around 950 mg/l.