Appendix 3: Spring geochemistry: a tool for mineral exploration in the South Nahanni River Basin, NWT

NOTE: This article was published in a former series of GEUS Bulletin. Please use the original series name when citing this article, for example: Stendal, H., Mueller, W., Birkedal, N., Hansen, E. I., & Østergaard, C. (1997). Mafic igneous rocks and mineralisation in the Palaeoproterozoic Ketilidian orogen, South-East Greenland: project SUPRASYD 1996. Geology of Greenland Survey Bulletin, 176, 66-74. https://doi.org/10.34194/ggub.v176.5064 _______________ The multidisciplinary SUPRASYD project (1992–96) focused on a regional investigation of the Palaeoproterozoic Ketilidian orogenic belt which crosses the southern tip of Greenland. Apart from a broad range of geological and structural studies (Nielsen et al., 1993; Garde & Schønwandt, 1994, 1995; Garde et al., 1997), the project included a mineral resource evaluation of the supracrustal sequences associated with the Ketilidian orogen (e.g. Mosher, 1995). The Ketilidian orogen of southern Greenland can be divided from north-west to south-east into: (1) a border zone in which the crystalline rocks of the Archaean craton are unconformably overlain by Ketilidian supracrustal rocks; (2) a major polyphase pluton, referred to as the Julianehåb batholith; and (3) extensive areas of Ketilidian supracrustal rocks, divided into psammitic and pelitic rocks with subordinate interstratified mafic volcanic rocks (Fig. 1). The Julianehåb batholith is viewed as emplaced in a magmatic arc setting; the supracrustal sequences south of the batholith have been interpreted as either (1) deposited in an intra-arc and fore-arc basin (Chadwick & Garde, 1996), or (2) deposited in a back-arc or intra-arc setting (Stendal & Swager, 1995; Swager, 1995). Both possibilities are plausible and infer subduction-related processes. Regional compilations of geological, geochemical and geophysical data for southern Greenland have been presented by Thorning et al. (1994). Mosher (1995) has recently reviewed the mineral exploration potential of the region. The commercial company Nunaoil A/S has been engaged in gold prospecting in South Greenland since 1990 (e.g. Gowen et al., 1993). A principal goal of the SUPRASYD project was to test the mineral potential of the Ketilidian supracrustal sequences and define the gold potential in the shear zones in the Julianehåb batholith. Previous work has substantiated a gold potential in amphibolitic rocks in the south-west coastal areas (Gowen et al., 1993.), and in the amphibolitic rocks of the Kutseq area (Swager et al., 1995). Field work in 1996 was focused on prospective gold-bearing sites in mafic rocks in South-East Greenland. Three M.Sc. students mapped showings under the supervision of the H. S., while an area on the south side of Kangerluluk fjord was mapped by H. S. and W. M. (Fig. 4).

Download Full-text

Metahadzia Uncispina, A New Amphipod from Phreatic Ground-Waters of the Guadalquivir River basin of Southern Spain

Bijdragen tot de Dierkunde ◽

10.1163/26660644-05801007 ◽

1988 ◽

Vol 58 (1) ◽

pp. 79-87

Author(s):

Jos Notenboom

Keyword(s):

New Species ◽

Iberian Peninsula ◽

River Basin ◽

Southern Spain ◽

The South ◽

Apical Spine ◽

Ground Waters ◽

Guadalquivir River ◽

Original Concept

Metahadzia uncispina n. sp. is described, being the second species of the genus on the Iberian Peninsula. The new species, well characterized by the transformation of the apical spine on the endopodite of the male uropod 2, is undoubtedly closely related with M. tavaresi (Mateus & Mateus, 1972) from the south of Portugal. Comments are made about recent emendations of the original concept of the genus Metahadzia Stock, 1977.

Download Full-text

Pottery from the Vak-Kur cemetery of the Yudina Culture (based on materials from excavations 3–6)

VESTNIK ARHEOLOGII ANTROPOLOGII I ETNOGRAFII ◽

10.20874/2071-0437-2020-49-2-8 ◽

2020 ◽

pp. 83-97

Author(s):

N.P. Turova

Keyword(s):

River Basin ◽

Morphological Features ◽

Burial Ground ◽

The South ◽

Significant Similarity ◽

Funeral Ritual ◽

South Eastern ◽

The Status ◽

The Right ◽

Archeological Artifacts

Researchers associate the medieval archeological artifacts of the Middle Trans-Urals, whose pottery bears cord impressions, with the Chiyalik, Molchanvo and Yudina Cultures. Despite the large number of artifacts that have been studied, many questions remain open. These include the status, chronology, and interaction of the Molchanovo and Yudina antiquities, as well as the evolution and specifics of their pottery complexes. Publication and analysis of the ceramic collections from Vak-Kur, the largest burial ground of the Yudina Culture, contribute to addressing some problems related to «the Corded Ware cultures». The Vak-Kur burial ground is dated to the 10th–11th centuries based on the assemblage of the associated goods. It is located in the south-eastern part of the Yudina Culture areal, on the right shore of the Tobol River. For all the time of excavations in the area of the ne-cropolis, 220 burials have been studied. The dead were buried in shallow pits according to the ritual of inhuma-tion, on their backs. A specific feature of the funeral ritual is breaking of a part of the accompanying equipment and use of funerary masks. Decorative and morphological features of 143 Yudina vessels have been examined. The tableware has been categorized according to four topographic groups after excavations 3 to 6. It has been noted that, despite the similar shapes of pots, and ornamental proportions and patterns, the pottery from excava-tions 3 to 6 demonstrates a different frequency in use of such elements in the décor as the cord and figured stamps. The biggest differences were detected between the ceramic artifacts found in excavations 4 and 6. It was suggested that the differences in décor between pottery from different excavations are determined not by their asynchronous nature, but by the existence of several tribal sites in the area of the Yudina necropolis. The com-parison of ceramic collections from the Vak-Kur burial ground with those from the medieval burial and settlement sites of the Yudina Culture showed that the pottery from the necropolis is most closely related to collections from the Plamya Sibiri 6 and 7, and Antonovo 1 settlements located in the Tura River basin. These sites were dated by their investigator to the earlier period (6th to 9th centuries) and attributed to the Molchanovo Culture. Based on the significant similarity between the pottery of the named sites and the dishware of the 10th to 11th centuries from excavation 4 of the Vak-Kur burial ground, a revision of the chronology and cultural attribution of these sites has been proposed.

Download Full-text

The Ancestral Caddo Ceramic Vessel Sherd and Ceramic Pipe Sherd Assemblage from the A. C. Saunders Site (41AN19) in the Upper Neches River Basin, Anderson County, Texas

Index of Texas Archaeology Open Access Grey Literature from the Lone Star State ◽

10.21112/ita.2020.1.1 ◽

2020 ◽

Vol 2020 (1) ◽

Keyword(s):

River Basin ◽

East Texas ◽

Outdoor Activity ◽

The South ◽

Left Behind ◽

Ceramic Pipe ◽

Ceramic Vessel ◽

The Creation ◽

Neches River ◽

Activity Areas

The A. C. Saunders site (41AN19) is an important ancestral Caddo settlement in the upper Neches River basin in Anderson County in East Texas. The site is one of only a few ancestral Caddo sites with mound features in the upper Neches River basin, particularly those that are known to date after ca. A.D. 1400, but this part of the upper Neches River basin, including its many tributaries, such as Caddo Creek just to the south and west, was widely settled by Caddo farmers after that time. These Caddo groups left behind evidence of year-round occupied settlements with house structures, middens, and outdoor activity areas, impressive artifact assemblages, as well as the creation of numerous cemeteries, most apparently the product of use by families or lineage groups.

Download Full-text

Birdshead Cave, a Stratified Site in Wind River Basin, Wyoming

American Antiquity ◽

10.2307/276762 ◽

1950 ◽

Vol 15 (3) ◽

pp. 187-196 ◽

Cited By ~ 5

Author(s):

Wesley L. Bliss

Keyword(s):

River Basin ◽

Potable Water ◽

Fault Scarp ◽

The South ◽

Indian Reservation ◽

South Side ◽

Wind River Basin ◽

Talus Slopes ◽

Limestone Rock

Birdshead Cave lies in a fault scarp on the south side of the Owl Creek Mountains about 5 miles west of the entrance to Wind River Canyon, 23 miles north and west of Shoshoni, Wyoming, and 1 mile northwest of the old Burgess ranch buildings. It contained stratified deposits representing seven, perhaps even eight or nine, periods of occupation in six occupation levels covering a wide temporal range. The cave is approached by steep talus slopes broken by limestone rock ledges. It lies about 200 feet above the source of a spring of fresh, potable water emerging near the base of the scarp. The name, Birdshead, is that of an Arapaho Indian who was living at the old Burgess ranch, now part of the Arapaho Indian Reservation.

Download Full-text