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Geochemistry and geochronology of Quaternary mafic volcanic rocks in the vicinity of Carrizozo, New Mexico 新墨西哥州卡里佐佐附近第四纪基性火山岩的地球化学和地质年代学
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.117
E. Anthony, J. Hoffer, W. Williams, J. Poths, B. Penn
{"title":"Geochemistry and geochronology of Quaternary mafic volcanic rocks in the vicinity of Carrizozo, New Mexico","authors":"E. Anthony, J. Hoffer, W. Williams, J. Poths, B. Penn","doi":"10.56577/ffc-49.117","DOIUrl":"https://doi.org/10.56577/ffc-49.117","url":null,"abstract":"-We report here elemental and chronologic information for the Quaternary lavas from the vicinity of Carrizozo, New Mexico. The geochemistry of these lavas is transitional between hypersthene and nepheline normative and is very similar to other lavas in the region, e.g., the Jornado del Muerto volcanic field. The mag matic noble gas signature, here given in terms of3He/'He, correlates well with radiogenic isotopes and indicates that the magmas either were derived from a mantle source more enriched in incompatible elements than aver age asthenosphere or have seen some crustal contamination. We have measured the age of the Carrizozo upper flow using 3 He cosmogenic surface exposure dating. The age of 4800 ± 1700 yrs before present (ybp) agrees well with other recent determinations. The Broken Back portion of the field is older. Cone morphology and degree of surficial alteration of magnetite to hematite, as deduced from remote sensing, indicates that the cones may be approximately 100 ka old.","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"154 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116403856","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: 1
Facies description and evolution of a Wolfcampian (Early Permian) shelf margin: Hueco Mountains, west Texas 德克萨斯州西部Hueco山脉早二叠世wolcamian陆架边缘相描述与演化
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.177
Michelle L. Stoklosa, J. A. Simo, G. Wahlman
{"title":"Facies description and evolution of a Wolfcampian (Early Permian) shelf margin: Hueco Mountains, west Texas","authors":"Michelle L. Stoklosa, J. A. Simo, G. Wahlman","doi":"10.56577/ffc-49.177","DOIUrl":"https://doi.org/10.56577/ffc-49.177","url":null,"abstract":"","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"2010 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127344702","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: 5
Geochemistry, geochronology, and tectonic implications of jarosite mineralization in the northern Franklin Mountains, Dona Ana County, New Mexico 新墨西哥州多纳安娜县富兰克林山脉北部黄铁矾矿化的地球化学、年代学和构造意义
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.309
Virgil W. Lueth, P. Goodell, M. Heizler, L. Peters
{"title":"Geochemistry, geochronology, and tectonic implications of jarosite mineralization in the northern Franklin Mountains, Dona Ana County, New Mexico","authors":"Virgil W. Lueth, P. Goodell, M. Heizler, L. Peters","doi":"10.56577/ffc-49.309","DOIUrl":"https://doi.org/10.56577/ffc-49.309","url":null,"abstract":"","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"88 7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126306001","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: 3
Tellurium mineralization in the northern Organ district, Dona Ana County, New Mexico 新墨西哥州多纳安娜县北部Organ区的碲成矿作用
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.265
Virgil W. Lueth
{"title":"Tellurium mineralization in the northern Organ district, Dona Ana County, New Mexico","authors":"Virgil W. Lueth","doi":"10.56577/ffc-49.265","DOIUrl":"https://doi.org/10.56577/ffc-49.265","url":null,"abstract":"Telluride minerals in the northern Organ district occur in association with two distinct types of mineralization: (1) base metal sulfide mantos and (2) quartz vein and breccia bodies with gold, fluorite, sulfides, and tellurides. An east-west-trending fault served as the flowpath for mineralization with manto deposits localized by small anticlinal flexures in host Paleozoic sedimentary rocks. All manto deposits are confined to the dolomite units directly beneath the Percha Shale, a unit that acted as an impermeable barrier to ore fluids. Quartz vein and breccia deposits are present in the main fault, beneath the mantos, and in subsidiary crossfaults. Temperatures of mineralization, determined by homogenization temperatures of fluid inclusions (Th), overlap although mean temperatures in mantos (Th = 206°C) are higher than in the quartz-tellurium ores (Th = 178°C). Upper portions of the manto deposits are devoid of tellurides, while samples in close proximity to the quartz-tellurium ores contain the base metal tellurides, altaite (PbTe), and rickardite (Cu,Te,). The quartztellurium ores display a distinct paragenesis of galena-altaite-native tellurium, indicating increasing Te fugacity over time. Base metal telluride assemblages formed by reaction between preexisting sulfides and a tellurium-rich fluid. 265","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129739741","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: 3
Active and recently active construction materials and aggregate operations in Dona Ana County, New Mexico 新墨西哥州多纳安娜县的活跃和近期活跃的建筑材料和骨料业务
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.287
G. S. Austin, J. Barker, Edward W. Smith
{"title":"Active and recently active construction materials and aggregate operations in Dona Ana County, New Mexico","authors":"G. S. Austin, J. Barker, Edward W. Smith","doi":"10.56577/ffc-49.287","DOIUrl":"https://doi.org/10.56577/ffc-49.287","url":null,"abstract":"","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131370402","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
Origin and hazard implications of a matrix-free boulder deposit on the east flank of the Organ Mountains, south-central New Mexico 新墨西哥州中南部Organ山脉东侧无基质巨石矿床的起源及其危害意义
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.75
W. Stone
{"title":"Origin and hazard implications of a matrix-free boulder deposit on the east flank of the Organ Mountains, south-central New Mexico","authors":"W. Stone","doi":"10.56577/ffc-49.75","DOIUrl":"https://doi.org/10.56577/ffc-49.75","url":null,"abstract":"","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126238803","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
Geologic framework of Tertiary intrusions of the Cornudas Mountains, southern New Mexico 新墨西哥州南部科努达斯山脉第三纪侵入岩的地质格架
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.129
C. Nutt, J. O’Neill
{"title":"Geologic framework of Tertiary intrusions of the Cornudas Mountains, southern New Mexico","authors":"C. Nutt, J. O’Neill","doi":"10.56577/ffc-49.129","DOIUrl":"https://doi.org/10.56577/ffc-49.129","url":null,"abstract":"-The Cornudas Mountains in southern New Mexico are underlain by Eocene to Oligocene syenite and phonolite that intrude the Permian Hueco Formation, an anomalously thin Yeso Formation, the San Andres Formation and the Lower Cretaceous Cox, Campagrande, Mesilla Valley, and Muleros Formations. The alkaline intrusions rose along pre-Permian faults near and at the edge of the Pedernal uplift, and moved lateraUy along the unconformity between Precambrian rocks and the base of the Permian and along the dis conformity between the Permian San Andres and overlying Cretaceous rocks. The present-day level of erosion exposes a variety of intrusive forms. Intrusions caused a series of continuous anticlines and synclines and local sags and uplifts in the Permian rocks. Cretaceous rocks occur only in patches along the edges of the resistant intrusions and are remnants of a mostly eroded section that once covered the area. Cretaceous rocks are pre served in and beneath Quaternary landslides that slid off Alamo, San Antonio, Chattfield, and Black Mountains.","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129666649","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: 4
Self-potential surveys of three geothermal areas in the southern Rio Grande rift, New Mexico 新墨西哥州大裂谷南部3个地热区的自电位测量
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.93
H. Ross, J. Witcher
{"title":"Self-potential surveys of three geothermal areas in the southern Rio Grande rift, New Mexico","authors":"H. Ross, J. Witcher","doi":"10.56577/ffc-49.93","DOIUrl":"https://doi.org/10.56577/ffc-49.93","url":null,"abstract":"","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121317473","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: 5
Temporal and spatial magmatic evolution of the Rio Grande rift 里奥格兰德裂谷的时空岩浆演化
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.107
N. McMillan
{"title":"Temporal and spatial magmatic evolution of the Rio Grande rift","authors":"N. McMillan","doi":"10.56577/ffc-49.107","DOIUrl":"https://doi.org/10.56577/ffc-49.107","url":null,"abstract":"","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114269453","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: 18
Corals from the Upper Cretaceous of south-central New Mexico 新墨西哥州中南部上白垩纪的珊瑚
Las Cruces Country II Pub Date : 1900-01-01 DOI: 10.56577/ffc-49.205
S. Lucas, O. J. Anderson
{"title":"Corals from the Upper Cretaceous of south-central New Mexico","authors":"S. Lucas, O. J. Anderson","doi":"10.56577/ffc-49.205","DOIUrl":"https://doi.org/10.56577/ffc-49.205","url":null,"abstract":"","PeriodicalId":427403,"journal":{"name":"Las Cruces Country II","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114343163","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: 1
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