{
    "tag": 15598,
    "title": "Uranium-Thorium Ages for Late Holocene Corals from the Southeast Florida Nearshore Ridge Complex",
    "pubdate": "20230714",
    "sername": null,
    "series_name": null,
    "issue": null,
    "publish": null,
    "publisher_name": null,
    "onlink": "https:\/\/cmgds.marine.usgs.gov\/catalog\/spcmsc\/Late_Holocene_coral_data_from_SEFL_NRC_metadata.faq.html",
    "format": null,
    "email": null,
    "descript": "This data release (Modys and others, 2023a) compiles Uranium-Thorium (U-Th) dating data for late Holocene coral samples collected from the Nearshore Ridge Complex (NRC) off Pompano Beach, Southeast Florida (SEFL). The samples were collected under Scientific Activity Licenses (SAL) from the Florida Fish and Wildlife Conservation Commission (SAL-18-1659A-SRP) and with permission from Broward County Environmental Protection and Growth Management.",
    "lang": null,
    "journal": null,
    "pwid": null,
    "originator": [
        {
            "name": "Modys, Alexander B.",
            "role": "Author"
        },
        {
            "name": "Toth, Lauren T.",
            "role": "Author"
        },
        {
            "name": "Mortlock, Richard A.",
            "role": "Author"
        },
        {
            "name": "Oleinik, Anton E.",
            "role": "Author"
        }
    ],
    "index_term": [
        {
            "thcode": 2,
            "code": "177",
            "name": "coelenterates",
            "scope": "Freshwater and marine invertebrates, such as corals, jellyfish, and sea anemones, belonging to the phylum Coelenterata and living as sedentary polyps or free swimming medusae."
        },
        {
            "thcode": 2,
            "code": "379",
            "name": "field sampling",
            "scope": "Collecting pieces or specimens or making measurements or observations at determined intervals or areas.  Results may be used as representative of the whole research area or population."
        },
        {
            "thcode": 2,
            "code": "706",
            "name": "marine geology",
            "scope": "Branch of geology concerned with the composition, geologic history, and earth processes of the ocean floor and the continental margin."
        },
        {
            "thcode": 2,
            "code": "859",
            "name": "paleoceanography",
            "scope": "Study of the oceans in the geologic past, including their physical, chemical, biologic, and geologic history."
        },
        {
            "thcode": 2,
            "code": "954",
            "name": "radiometric dating",
            "scope": "Methods for age determination of rocks and fossils by measuring the proportions of naturally occurring radioactive isotopes to their decay products."
        },
        {
            "thcode": 2,
            "code": "971",
            "name": "reef ecosystems",
            "scope": "Biological communities formed by the skeletons of calcareous seawater organisms, usually corals."
        },
        {
            "thcode": 2,
            "code": "1203",
            "name": "uranium-thorium analysis",
            "scope": "Radiometric dating technique used to determine the age of earth materials based on determining the ratio of uranium-238 to the decay product thorium-230. The ratio is compared to the known half-life of the uranium isotope."
        },
        {
            "thcode": 2,
            "code": "1337",
            "name": "x-ray diffraction",
            "scope": "Study of crystals which uses short wave electromagnetic radiations (x-rays). The xrays, scattered by the crystal atoms, show a characteristic interference pattern that is dependent upon the structure of the crystal."
        },
        {
            "thcode": 15,
            "code": "008",
            "name": "geoscientificInformation",
            "scope": "Information pertaining to earth sciences, for example geophysical features and processes, geology, minerals, sciences dealing with the composition, structure and origin of the earth's rocks, risks of earthquakes, volcanic activity, landslides, gravity information, soils, permafrost, hydrogeology, groundwater, erosion"
        },
        {
            "thcode": 15,
            "code": "014",
            "name": "oceans",
            "scope": "Features and characteristics of salt water bodies (excluding inland waters), for example tides, tidal waves, coastal information, reefs, maritime, outer continental shelf submerged lands, shoreline"
        }
    ],
    "place_term": [],
    "image": [],
    "fan": []
}
