Nacimiento Formation Nacimiento Formation The Nacimiento Formation is a sedimentary rock formation found in the San Juan Basin of western New Mexico (United States) and named for the Nacimiento Mountains. It is a heterogeneous nonmarine formation composed of shale, siltstone, and sandstone, deposited in floodplain, fluvial and lacustrine settings, and made up of sediment shed from the San Juan uplift to the north and the Brazos-Sangre de Cristo uplift to the east. It was deposited mostly between ~64.5 and ~61 million years ago, during the early and middle Paleocene. The climate was humid and warm to hot. This unit interbeds with the
Brazos Bend State Park Science. This astronomical observatory contains three domed telescopes; the largest is the Gueymard Research Telescope, which has an aperture of . The facility is primarily focused on public education; it includes the Challenger Learning Center for space science education and also features an exhibit of meteorites. Brazos Bend State Park Brazos Bend State Park is a state park along the Brazos River in Needville, Texas, run by the Texas Parks and Wildlife Department. The park is a haven for a diverse mix of native wildlife and plants covering an equally diverse range of ecosystems. Brazos Bend contains areas of coastal