Texas - Hill Country
Texas - Hill Country - my residence surroundings, at about the 98th meridian (separating the arid dry west from the fertile wet east areas of Texas). Hill Country terrain is water-carved canyons and steep hillsides forested with oak, juniper, and mesquite - its elevation ranges from 600-3000 ft. (180-900 m) and rainfall between 23-35 in. (58-89 cm)annually. Hill Country geology is predominately composed of sedimentary limestone rock, with the Llano Uplift (Precambrian igneous granite rock, > 542 million yrs. old) protruding from within. Hill Country is part of the Edwards Plateau, which is bounded by the Pecos River and Chihuahuan Desert to the west, Llano Estacado (Staked Plain) to the north, and the Balcones Fault to the south and east. Hill Country is also part of the Colorado River Basin and Edwards Plateau ecoregion.
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The mystically magical megalithic monument of - Enchanted Rock State Natural Area (1978) - National Natural Landmark (about 20 in TX) - this intrusive igneous granite batholith (or pluton), or monadnock (Native American) has a prominence of about 425 ft. (130 m), elevation of around 1,825 ft. (556 m), with an exposed surface area of around 1 mi² (2.6 km²), yet this solid rock covers about 62 mi² (160 km²), most of which is still still below the surface - this image viewing from atop Little Rock, during the early spring season, near sunset, to the western slope of Enchanted Rock - southwestern Llano county.
