Results 61 to 70 of about 6,127 (222)

The Pennsylvanian System in the Mud Springs Mountains, Sierra County, New Mexico, USA

open access: yes, 2016
Geology, Stratigraphic -- Pennsylvanian; Geology -- New Mexico --Sierra County; Paleontology -- New Mexico -- Sierra County; Geology; Geology, Stratigraphic; Paleontology; Pennsylvanian Geologic Period; New Mexico - Sierra ...
Spencer G. Lucas, Karl Krainer, James E. Barrick and Daniel Vachard
core  

Stratigraphy Along Mississippian-Pennsylvanian Unconformity of Western Indiana [PDF]

open access: yes, 1950
Indiana Geological Survey Guidebook 4The Mississippian-Pennsylvanian unconformity is the most pronounced and extensive break in the Paleozoic rocks of the Eastern Interior Basin.
Bieberman, Robert A.   +2 more
core  

Freshwater Availability in the Mississippi River Basin and Adjacent Texas Aquifers Under Human and Climate Pressures

open access: yesEarth's Future, Volume 14, Issue 4, April 2026.
Abstract The Mississippi River Basin and adjacent Texas aquifers (MRB–TX) face intensifying water stress from irrigation demand, extremes, and climate change. We quantify spatiotemporal storage trajectories by integrating long‐term groundwater‐level records, GRACE/GRACE‐FO terrestrial water storage anomalies (TWSA), irrigation water‐use reanalysis ...
Ashraf Rateb   +5 more
wiley   +1 more source

Pennsylvanian-Permian Fusulinaceans of the Big Hatchet Mountains, New Mexico

open access: yes, 2006
Pennsylvanian; Permian; fusulinaceans; Big Hatchet Mountains; New ...
Garner L. Wilde
core  

CARBONIFEROUS CONODONT BIOSTRATIGRAPHY AND LATE PALAEOZOIC DEPOSITIONAL EVOLUTION IN SOUTH CENTRAL IRAN (ASADABAD SECTION - SE ISFAHAN)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2007
Asadabad section in Central Iran is one of the most complete sequences so far described across the Carboniferous of Iran. The stratigraphic and biostratigraphic data on the sediments overlying the Devonian carbonate platform give evidence about the ...
ILIANA BONCHEVA   +3 more
doaj   +1 more source

Subduction Initiation Volcanism Leading to Development of the Talkeetna Arc, Lower Shuyak Formation, Kodiak Archipelago, Alaska

open access: yesTectonics, Volume 45, Issue 4, April 2026.
Abstract Our understanding of subduction initiation remains limited by the difficulty of making direct observations of geologically recent examples. In the geologic record, supra‐subduction zone ophiolites are often interpreted to record syn‐initiation slab rollback and upper plate extension. Unfortunately, many ophiolites are decoupled from records of
B. M. Keough   +3 more
wiley   +1 more source

Lithofacies, depositional environments, and sequence stratigraphy of the Pennsylvanian (Morrowan-Atokan) Marble Falls Formation, Central Texas

open access: yes, 2013
textThe Pennsylvanian Marble Falls Formation in the Llano Uplift region of the southern Fort Worth Basin (Central Texas) is a Morrowan-Atokan mixed carbonate-siliciclastic unit whose deposition was influenced by icehouse glacioeustatic sea-level ...
Wood, Stephanie Grace
core  

Neonicotinoid and s‐triazine pesticide transport dynamics in a small karst agricultural watershed

open access: yesJournal of Environmental Quality, Volume 55, Issue 2, March/April 2026.
Abstract The potential ecological and human health risks posed by agricultural pesticides necessitate a comprehensive understanding of pesticide transport dynamics to guide effective management. Riparian buffers are often implemented to mitigate nutrients and sediment transported in surface runoff.
Henry J. Kibuye   +3 more
wiley   +1 more source

Fossil Jellyfishes from Kansas Pennsylvanian Rocks and Elsewhere

open access: yes, 1955
A new Pennsylvanian genus of jellyfishes, Crucimedusina, tentatively is referred to the order Hydroida. New genera of Scyphomedusae include Duodecimedusina, established for one new Devonian and two new Pennsylvanian species, and  ...
Harrington, H.J., Moore, R.C.
core   +1 more source

Casper Formation (Pennsylvanian) of Wyoming and its cephalopod fauna, The

open access: yes, 1936
Casper Formation (Pennsylvanian) of Wyoming and its cephalopod fauna ...
A.K. Miller (10070197)   +1 more
core   +1 more source

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