New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States"最新文献

EIGHT 40AR/39AR SANIDINE-CRYSTAL AGES FOR CAMPANIAN (LATE CRETACEOUS) STRATA, SAN JUAN BASIN, NEW MEXICO AND COLORADO 新墨西哥州和科罗拉多州圣胡安盆地坎帕期(晚白垩世)地层8个40 / 39ar的水晶石年龄

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.820

J. Fassett

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AQUEOUS GEOCHEMISTRY OF THE SPRINGS AND WELLS OF THE SEVILLETA NATIONAL WILDLIFE REFUGE: UTILIZING NATURAL TRACERS TO IDENTIFY HYDROCHEMICAL FLOWPATHS 塞维利亚国家野生动物保护区的泉水和水井的水地球化学:利用天然示踪剂来确定水化学流动路径

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.854

A. J. Williams, L. Crossey, K. Karlstrom, Y. Asmerom

{"title":"AQUEOUS GEOCHEMISTRY OF THE SPRINGS AND WELLS OF THE SEVILLETA NATIONAL WILDLIFE REFUGE: UTILIZING NATURAL TRACERS TO IDENTIFY HYDROCHEMICAL FLOWPATHS","authors":"A. J. Williams, L. Crossey, K. Karlstrom, Y. Asmerom","doi":"10.56577/sm-2009.854","DOIUrl":"https://doi.org/10.56577/sm-2009.854","url":null,"abstract":"The Rio Grande is well studied as a regionally important surface-water source, but the small, poorly characterized springs that surface within the Rio Grande rift are also a vital water source. Several of these springs have water chemistries that suggest a mixing of larger volume meteoric recharge with small volume, deeply sourced fluids. It has been hypothesized that deep-seated faults within the rift provide conduits for the ascent of deeply derived fluids, while others have proposed that upwelling sedimentary basin brines represent a significant salinity input to the modern river. This study has developed the first hydrochemical data on a comprehensive suite of springs and wells in the Sevilleta National Wildlife Refuge (NWR), and we continue to test and refine existing models for water quality in the rift using hydrochemistry (major and trace elements, Cl/Br, δ 18 O, δD, δ 13 C, δ 34 S, 3 H, δ 234 U, and 87 Sr/ 86 Sr), microbial characterization and geochemical modeling along a series of transects within the rift. This suite of geochemical tracers is being used to analyze the geochemistry of 26 surface samples and 13 wells in and near the Sevilleta NWR. Our goal is to apply hydrochemical and microbiological analyses of these springs and groundwaters to a rift-wide model for subsurface flow paths. Results from major ions, trace elements, stable isotopes of H and O, and 87 Sr/ 86 Sr indicate the interaction of five distinct hydrochemical facies, several of which suggest that deeply derived fluids are mixing in this system. Continued analyses of major ions for temporal variation, and the addition of δ 234 U, δ 13 C, δ 18 O and δD","PeriodicalId":205982,"journal":{"name":"New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: \"Rocks of New Mexico and Adjacent States\"","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122324628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

AN ADDITIONAL ENIGMATIC VERMIFORM FOSSIL FROM THE UPPER PENNSYLVANIAN (VIRGILIAN) ATRASADO FORMATION (MADERA GROUP) OF CENTRAL NEW MEXICO 新墨西哥州中部上宾夕法尼亚(弗吉尼亚)阿特拉萨多组(马德拉组)发现的另一块神秘的蚓形化石

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.834

A. J. Lerner, S. Lucas, Matthew D. Celeskey

引用次数: 0

PALYNOLOGY PRECISELY LOCATES THE CRETACEOUS-TERTIARY INTERFACE IN THE SAN JUAN BASIN, NEW MEXICO AND COLORADO 孢粉学精确定位了新墨西哥州和科罗拉多州圣胡安盆地的白垩纪-第三纪界面

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.821

J. Fassett

{"title":"PALYNOLOGY PRECISELY LOCATES THE CRETACEOUS-TERTIARY INTERFACE IN THE SAN JUAN BASIN, NEW MEXICO AND COLORADO","authors":"J. Fassett","doi":"10.56577/sm-2009.821","DOIUrl":"https://doi.org/10.56577/sm-2009.821","url":null,"abstract":"A robust palynologic data base sharply defines the Cretaceous-Tertiary (K-T) interface at numerous localities in the San Juan Basin of New Mexico and Colorado. This important Era, Period, and Formation boundary is located at the base of the Ojo Alamo Sandstone-top of the Kirtland or Fruitland Formation throughout the New Mexico part of the basin and at the base of the Animas-top of the McDermott, Kirtland, or Fruitland Formation in the Colorado part of the basin. Over the last four decades, the last occurrence of diagnostic Cretaceous index palynomorphs (K-taxa) has been used throughout the Western Interior of North America to mark the K-T boundary in continental strata. The precision of this criterion was strikingly validated in 1981 when a cmthick interval at the palynologic K-T boundary in the Raton Basin was found to contain the K-T asteroidimpact fall-out layer, thus joining a bio-chronologic boundary with a rock-stratigraphic unit. Since that discovery, the fall-out layer has been found at dozens of other localities throughout the Western Interior at the palynologic K-T boundary. The principal Cretaceous index palynomorphs in the San Juan Basin are Tschudypollis sp. (previously named Proteacidites ). Tschudypollis sp. are present in large numbers in samples from Cretaceous Fruitland and Kirtland Formation rock samples, but are never found in the overlying Paleocene Ojo Alamo Sandstone (except for rare, reworked specimens). Moreover, Paleocene index palynomorphs Momipites tenuipolus and Brevicolporites colpella have been identified from the Ojo Alamo Sandstone at several localities in the basin. Lists have been compiled of all known palynomorphs from published and unpublished sources from Cretaceous-Paleocene strata in the San Juan Basin (Fassett, 2009, in press). These lists show that 244 palynomorphs have been identified","PeriodicalId":205982,"journal":{"name":"New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: \"Rocks of New Mexico and Adjacent States\"","volume":"190 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124218027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

NEW MEXICO’S FOSSIL RECORD: DETERMINATION OF GEOLOGICAL AGES FOR CAMBRIAN-PLEISTOCENE ROCKS USING BIOCHRONOLOGY 新墨西哥的化石记录:用生物年代学测定寒武纪-更新世岩石的地质年代

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.836

S. Lucas

{"title":"NEW MEXICO’S FOSSIL RECORD: DETERMINATION OF GEOLOGICAL AGES FOR CAMBRIAN-PLEISTOCENE ROCKS USING BIOCHRONOLOGY","authors":"S. Lucas","doi":"10.56577/sm-2009.836","DOIUrl":"https://doi.org/10.56577/sm-2009.836","url":null,"abstract":"New Mexico (NM) has an extensive fossil record that ranges in age from Late Cambrian to Pleistocene. Most early Paleozoic (Cambrian-Devonian) strata in New Mexico are of marine origin, and their ages are determined primarily by biochronology using cephalopods, brachiopods and/or conodonts. Late Paleozoic (Carboniferous-Permian) rocks in NM are a mixture of marine and nonmarine facies. Nonfusulinid and fusulinid forams are the primary biochronological tools in the marine strata, although some brachiopod- and conodont-based biochronology has been undertaken. Nonmarine Permian red beds yield biochronologically significant tetrapod (amphibian and reptile) fossils; some provide the basis for part of a global scheme of Permian tetrapod biochronology. Triassic strata in NM are wholly of nonmarine origin and yield tetrapod and plant fossils useful for biochronology. Part of a Triassic global timescale using tetrapod biochronology is based on Upper Triassic fossils from NM. The state has a sparse Jurassic fossil record, almost totally nonmarine, and of limited biochronological utility. Cretaceous strata in NM are a mixture of marine and nonmarine rocks, and the Upper Cretaceous marine strata yield numerous fossils of ammonoids that are a key part of one of the most detailed biochronological schemes of the Phanerozoic. Nonmarine Cretaceous biochronology is based on tetrapods and palynomorphs, particularly in the CampanianMaastrichtian. All Cenozoic rocks in NM are of nonmarine origin, and they yield extensive and biochronologically useful fossil mammal assemblages of Paleocene, Miocene, Pliocene and Pleistocene ages. Paleocene mammal-dominated assemblages from NM are the basis of two landmammal “ages” used throughout western North America. In NM, biochronology has been and will remain the primary means of age determination throughout much","PeriodicalId":205982,"journal":{"name":"New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: \"Rocks of New Mexico and Adjacent States\"","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116288449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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THE CARBONIFEROUS/PERMIAN BOUNDARY IN THE BIG HATCHET MOUNTAINS, SW NEW MEXICO (USA) 美国新墨西哥州西南部大斧山石炭-二叠纪界线

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.831

K. Krainer, S. Lucas, J. Barrick

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A BRIEF HISTORY OF THE USE OF PALEOMAGNETISM AND MAGNETOSTRATIGRAPHY IN GEOCHRONOLOGIC APPLICATIONS IN NEW MEXICO 古地磁和磁地层学在新墨西哥州地质年代学应用的简史

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.856

K. Zeigler, J. Geissman

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A SKULL AND PARTIAL SKELETON OF THE OREODONT MERYCHYUS MAJOR (MAMMALIA: ARTIODACTYLA: MERYCOIDONTIDAE) FROM THE MIOCENE POPOTOSA FORMATION, BOSQUE DEL APACHE NATIONAL WILDLIFE REFUGE, SOCORRO COUNTY, NEW MEXICO 新墨西哥州索科罗县博斯克德尔阿帕奇国家野生动物保护区中新世popotosa组的一具大长齿兽(哺乳类:偶蹄目:长齿兽科)的头骨和部分骨架

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.845

G. Morgan, Bruce Lander, D. Love, R. Chamberlin, C. Cikoski

引用次数: 1

RADIOCARBON AGE CONTROL FOR SACRAMENTO MOUNTAIN-DERIVED ALLUVIAL FAN DEPOSITS NEAR ALAMOGORDO, NEW MEXICO, AND RELATED GEOMORPHIC AND SEDIMENTOLOGIC INTERPRETATIONS 新墨西哥州阿拉莫戈多附近萨克拉门托山衍生冲积扇沉积物的放射性碳年龄控制及相关的地貌和沉积学解释

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.830

D. Koning

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AN ANALYSIS OF MICROBIAL LIFE IN KARST SPRINGS, SOUTHERN EDDY COUNTY, NEW MEXICO AND CULBERSON COUNTY, TEXAS 新墨西哥州南涡县和德克萨斯州库伯森县喀斯特泉的微生物生活分析

New Mexico Geological Society, 2009 Annual Spring Meeting, Proceedings Volume, Theme: "Rocks of New Mexico and Adjacent States" Pub Date : 2009-04-24 DOI: 10.56577/sm-2009.666

Terryl Bell

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