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  • PANGAEA
  • 1980-1984
  • 1920-1924  (5)
  • 1922  (5)
Collection
Keywords
Publisher
Years
  • 1980-1984
  • 1920-1924  (5)
Year
  • 1
    facet.materialart.
    Unknown
    Annotated record of the detailed examination of Mn deposits retrieved from Swedish lakes (1922)
    PANGAEA
    In:  Supplement to: Naumann, Einar (1922): Södra och mellersta Sveriges sjö-och myrmalmer; deras bildningshistoria, utbredning och praktiska betydelse = Über die See- und Sumpferze Süd- und Mittelschwedens; ihre Genesis, Vorkommen und praktische Bedeutung = The formation, distribution, and practical implications of Ferriferous Lake and bog-ore deposits in Southern and Central Sweden. Sveriges Geologiska Undersokning, Serie C, Avhandlingar Och Uppsatser, 297, 178-194
    Details
    Publication Date: 2023-08-28
    Description: The various questions regarding the old problem of the genesis of lake and bog ores have, so far, never been the object of a summarizing paper from a present-day research aspect. Moreover, several special questions still remain quite unclear. The present paper therefore intends to closely examine a number of special questions and to provide a summarizing presentation of the whole problem. However, it is obvious that, in several respects, this paper cannot provide a final answer to all these special questions which belong to the most diverse fields of the natural sciences. Nevertheless, it will clearly delineate the problem for future research. (Translated from Swedish by the Translation Bureau (HEB) Multilingual Services Division Department of the Secretary of State of Canada, 1976).
    Keywords: Allgunnen_N; Bolmen_N; Deposit type; DEPTH, sediment/rock; Description; Event label; Identification; Lake Allgunnen, Sweden; Lake Bolmen, Sweden; Lake Salen, Sweden; Lake Strken, Sweden; Lake Unnen, Sweden; Lake Vidstern, Sweden; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Quantity of deposit; Salen_N; Straken_N; Unnen_N; Vidostern_N
    Type: Dataset
    Format: text/tab-separated-values, 19 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Unknown
    Description of manganese nodules collected in a metamorphic limestone Cambrian formation near Philipsburg, Montana (1922)
    PANGAEA
    In:  Supplement to: Pardee, J T (1922): Deposits of manganese ore in Montana, Utah, Oregon, and Washington. Contributions to economic geology, 1921, Part I, Metals and nonmetals except fuels, US Geological Survey Bulletin, 725C, 141-243, https://pubs.usgs.gov/bul/0725c/report.pdf
    Details
    Publication Date: 2023-08-28
    Description: In the Philipsburg district, in western Montana a low arch of a Paleozoic limestones has been cut and deformed on the east and a south sides by a small batholith of Tertiary granodiorite. The manganese deposits are confined to an area of about 2 square miles underlain by sedimentary rocks and adjacent to the granodiorite body. The ore, chiefly pyrolusite, was apparently derived from rhodochrosite that was abundant in the veins and had replaced the adjacent limestones. The oxide ore is found chiefly within 600 feet of the surface, though one small body was mined at a depth of 700 feet. Commonly these bodies are aggregates of nodules or spheroids that range in size from that of an egg to that of a coconut or larger. In some places they show an irregular texture somewhat like that of a sponge, and in others the material composing them is loose and friable and apparently structureless. Psilomelane is the principal constituent of many of the nodules, in which it forms layers that alternate with softer oxides.
    Keywords: AlgonquinMine_P; BryantMine_P; Comment; Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; Digging pit; DPIT; Elevation of event; Event label; File name; Latitude of event; Longitude of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Philipsburg, Montana; Position; Quantity of deposit; Sample ID; Sediment type; Size; Uniform resource locator/link to image
    Type: Dataset
    Format: text/tab-separated-values, 26 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
    facet.materialart.
    Unknown
    Description of ferromanganese concretions from the Niki Niki area in Western Timor (1922)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: Comment; Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; Identification; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Noil_Tobee_M; Noni river, Timor; Position; Quantity of deposit; Sample code/label; Sediment type; Size; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 45 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Unknown
    (Table, page 1007), Composition of a fossil manganese nodule from Western Timor (1922)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: Aluminium oxide; Barium oxide; Chlorine; Cobalt oxide; Copper(II) oxide; DEPTH, sediment/rock; Description; Identification; Iron oxide, Fe2O3; Magnesium oxide; Manganese dioxide; Manganese oxide; Nickel oxide; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Noil_Tobee_M; Noni river, Timor; Potassium oxide; Silicon dioxide; Sodium oxide; Water in rock
    Type: Dataset
    Format: text/tab-separated-values, 16 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
    facet.materialart.
    Unknown
    The amount of water loss was determined by drying at 110°C (1922)
    PANGAEA
    In:  Supplement to: Molengraaff, G A F (1922): On manganese nodules in Mesozoic deep-sea deposits of Dutch Timor. Proceedings of the Royal Academy of Amsterdam, Section of Sciences; https://archive.org/details/proceedingsofsec232koni, 23(6), 997-1012, hdl:10013/epic.46198.d001
    Details
    Publication Date: 2023-08-28
    Description: Deep-sea deposits, which resemble in nearly every respect the deep-sea oozes have been observed in many islands of the East-Indian Archipelago, notably the islands of Borneo, Rotti and Timor. Manganese nodules are found in equivalents of deeep-sea red clays on Timor and Rotti island. In this paper, those relative to red clay deposits dating from a Cretaceous ocean are analysed in detail in the vicinity of the town of Niki Niki in Western Timor.
    Keywords: NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Noil_Tobee_M; Noni river, Timor
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
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