A NEW VERTEBRATE FAUNA FROM THE LOWER CRETACEOUS HOLLY CREEK FORMATION OF THE TRINITY GROUP, SOUTHWEST ARKANSAS, USA

A new vertebrate fauna from the Lower Cretaceous Holly Creek Formation of the Trinity Group, southwest Arkansas, USA

We present a previously discovered but undescribed late Early Cretaceous vertebrate fauna from the Holly Creek Formation of the Trinity Group in Arkansas.The site from the ancient Gulf Coast is dominated by semi-aquatic forms and preserves a diverse aquatic, semi-aquatic, and terrestrial fauna.Fishes include fresh- to brackish-water chondrichthyans

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Perencanaan dan analisis kehandalan sistem komunikasi radio microwave tampak pandang pada pita frekuensi 12750-13250 MHz [Planning and analysis of the reliability of line of sight microwave radio communication system on 12750-13250 MHz band]

Propagasi gelombang radio dapat diartikan sebagai proses perambatan gelombang radio dari pemancar ke penerima.Gelombang ini akan merambat melalui udara bebas menuju antena penerima dan mengalami redaman di sepanjang lintansannya, redaman perangkat dan saluran transmisi, sehingga ketika sampai di antena penerima, energi sinyal sudah sangat lemah.Lin

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Biomedical ethics and clinical oversight in multisite observational neuroimaging studies with children and adolescents: The ABCD experience

Observational neuroimaging studies with children and adolescents may identify neurological anomalies and other clinically relevant findings.Planning for the management of this information involves ethical considerations that may influence informed consent, confidentiality, and communication with participants about assessment results.Biomedical ethi

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Spectral analyses, geology and petrology of the Gulf of Suez rift-related Oligo-Miocene basalts at Abu Zenima area, west central Sinai, Egypt

The initial phase of the Gulf of Suez rifting here in the late Oligocene was accompanied by the eruption of continental basaltic magmas, which continued to the early Miocene.Within the rift zone at Abu Zenima area, west-central Sinai, several km-scale Oligo-Miocene basaltic exposures in the form of dykes, sills and lava flows intruded/extruded the

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