Onlap or overlap is the geological phenomenon of successively wedge-shaped younger rock strata extending progressively further across an erosion surface... 1,014 bytes (103 words) - 18:16, 27 July 2023 |
Taghanic event (section Taghanic onlap) The Taghanic event (Taghanic unconformity, Taghanic crisis or Taghanic onlap) was an extinction event that occurred about 386 million years ago during... 9 KB (876 words) - 11:22, 28 February 2024 |
 | Cross-sectional diagrams illustrating the shift of sedimentary facies during transgression (onlap) and regression (offlap)... 4 KB (522 words) - 16:35, 8 February 2024 |
of reflections indicates the disappearance of bedding surfaces. Hence, onlap, down lap and top lap and other depositional features observed on surface... 5 KB (614 words) - 05:18, 28 May 2023 |
 | marine facies are deposited over shallower facies, a succession called onlap. Regression is the situation in which a coastline moves in the direction... 63 KB (7,683 words) - 02:31, 19 April 2024 |
 | paraconformities are called diastems. A buttress unconformity also known as onlap unconformity, occurs when younger bedding is deposited against older strata... 9 KB (904 words) - 17:25, 30 March 2024 |
onlap, and onlap of overlying strata". Similarly, a type 2 sequence boundary is "marked by subaerial exposure and a downward shift in coastal onlap landward... 4 KB (392 words) - 01:18, 28 July 2023 |
 | Cross-sectional diagrams illustrating the shift of sedimentary facies during transgression (onlap) and regression (offlap)... 4 KB (502 words) - 17:09, 8 February 2024 |
 | the interpretation of seismic profiles to determine the extent of coastal onlap in subsequently buried sedimentary basins. Murray-Wallace, C. V., & Woodroffe... 27 KB (3,306 words) - 10:47, 29 November 2023 |
 | out significantly as it approaches the basin margins due to transgressive onlap. The Brushy Canyon Formation also contains small reef patches, ripple marks... 59 KB (7,007 words) - 17:14, 31 March 2024 |
 | into two sections, the Upper Gault and the Lower Gault. The Upper Gault onlaps onto the Lower Gault. The Gault Formation thins across the London Platform... 5 KB (491 words) - 15:20, 10 January 2024 |
 | expression of lunar soil development. The fillet is characterized by an onlap contact with the adjacent rock and by a shallow or concave profile. Associated... 4 KB (353 words) - 07:22, 10 September 2023 |
 | the northern part of the basin; southward, progressively younger strata onlap the basement, so that in the southern areas the basement is overlain by... 11 KB (1,323 words) - 07:29, 13 April 2024 |
series rests upon progressively older members of the underlying series." An onlap is a more general term than overstep, in which the younger beds overlap... 1 KB (153 words) - 18:11, 27 July 2023 |
 | synclinically folded, and that sediments of Tertiary age at the crater onlap its sides and thicken into its axis, suggesting that the salt was moving... 19 KB (2,390 words) - 20:59, 19 March 2024 |
 | Ella Ø (Danish) The southwestern side of Ella Island in August 2007. An onlap of Devonian sandstone (right) on folded Cambrian-to-Ordovician rocks (left)... 6 KB (475 words) - 00:07, 16 January 2024 |
 | Ouachita orogeny began and progressed from the north to the south, offlap and onlap stratigraphic geometries were produced. The orogeny contributed a large... 14 KB (1,342 words) - 23:33, 28 February 2024 |
 | Australian Shield. Several Palaeozoic to neoproterozoic sedimentary basins onlap the Musgrave Block, and are exposed mostly around its edges. These were... 10 KB (1,412 words) - 14:10, 3 June 2022 |
 | Gualanday Proximal deltaic-marine (C7) Reservoir 32 Oligo-Eocene C8 Usme C8 onlap Marine-deltaic (C8) Seal Source 35 Late Eocene Mirador Mirador Coastal (Mirador)... 10 KB (1,185 words) - 15:51, 16 June 2022 |
Gualanday Proximal deltaic-marine (C7) Reservoir 32 Oligo-Eocene C8 Usme C8 onlap Marine-deltaic (C8) Seal Source 35 Late Eocene Mirador Mirador Coastal (Mirador)... 12 KB (1,302 words) - 01:49, 21 November 2021 |
 | overlies the Franciscan Assemblage along the west margin of its extent, and onlaps onto granitic rocks of the Sierra Nevada in the east. The rocks in Great... 18 KB (2,191 words) - 14:59, 26 September 2023 |
 | Gualanday Proximal deltaic-marine (C7) Reservoir 32 Oligo-Eocene C8 Usme C8 onlap Marine-deltaic (C8) Seal Source 35 Late Eocene Mirador Mirador Coastal (Mirador)... 44 KB (3,058 words) - 21:28, 25 July 2022 |
 | Gualanday Proximal deltaic-marine (C7) Reservoir 32 Oligo-Eocene C8 Usme C8 onlap Marine-deltaic (C8) Seal Source 35 Late Eocene Mirador Mirador Coastal (Mirador)... 9 KB (832 words) - 15:21, 11 February 2024 |
 | change of sea level, part 3: relative changes of sea level from coastal onlap. AAPG Memoir 26. 205–212. . Daners, Gloria; Jorge Montaño; Héctor De Santa... 27 KB (2,369 words) - 16:56, 19 November 2022 |
 | Gualanday Proximal deltaic-marine (C7) Reservoir 32 Oligo-Eocene C8 Usme C8 onlap Marine-deltaic (C8) Seal Source 35 Late Eocene Mirador Mirador Coastal (Mirador)... 12 KB (1,254 words) - 07:16, 7 April 2023 |
laterally equivalent to the lower part of the Abrigo Formation. To the east, it onlaps onto the underlying basement and its upper beds grade into the Bliss Formation... 4 KB (399 words) - 03:31, 31 May 2023 |
formation shows progressive unconformities that show up in seismic sections as onlap structures. U-Pb dating of the formation has provided ages ranging from... 9 KB (755 words) - 22:59, 4 May 2022 |
 | Gualanday Proximal deltaic-marine (C7) Reservoir 32 Oligo-Eocene C8 Usme C8 onlap Marine-deltaic (C8) Seal Source 35 Late Eocene Mirador Mirador Coastal (Mirador)... 14 KB (1,244 words) - 16:29, 11 February 2024 |
 | Gualanday Proximal deltaic-marine (C7) Reservoir 32 Oligo-Eocene C8 Usme C8 onlap Marine-deltaic (C8) Seal Source 35 Late Eocene Mirador Mirador Coastal (Mirador)... 10 KB (965 words) - 17:46, 10 February 2024 |
 | response to plate reorganization following the opening of the Gulf of Aden. Onlap of the Miocene and younger stratigraphy on the southeast side of the ridge... 15 KB (1,934 words) - 16:11, 29 November 2023 |