T H E T O P S A I L S LEGEND - Newfoundland and Labrador · 2019. 11. 19. · 783108 783 9 783089...
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All aggregate zones and sample types shown in the legend may not appear on this map. Aggregate zone classification is based on airphoto interpretation, field investigation and sieve analyses. Areas outside the numbered zones have no known potential for granular materials; however silty tills, rock rubble suitable for fill, and bedrock suitable for aggregate may be present. Classification criteria used on this map do not consider current or conflicting land uses, nor do they guarantee either access to, or the quality of, the material located within these zones. Multiple samples taken from the same site in different years are listed in order from oldest to youngest. Multiple samples taken at the same site in the same year are listed in order, from the top of the exposure to bottom. G E O L O G I C A L S U R V EY N E W F O U N D L A N D A N D L A B R A D O R 1864 Table 1: Exposure thickness (Exp), estimated deposit thickness (Dep), petrographic number (PN), grain-size percentages (based on percent retained on the 63 mm down to the -0.062 mm mesh sieves) and gravel (Grv), sand and silt-clay (SL-CL) content of sample material collected in NTS area 12A/15. GRAIN-SIZE ANALYSES Commonly gravel or sand, having silt-clay content < 5 percent. Deposits are commonly graded and stratified. Commonly till, poorly graded and of variable grain size, having a silt-clay content (> 5 and < 15 percent) and stone size exceeding allowable limits for most geotechnical purposes (except subgrade uses) without processing (i.e., washing, screening or crushing). Commonly silty till, silt or clay samples, having silt-clay content > 15 percent. MAP 2008-25 BUCHANS NEWFOUNDLAND & LABRADOR 1 0 1 2 3 4 0.5 Kilometres Sample Exp Dep PN 63 32 16 8 4 2 1 0.5 0.25 0.125 0.062 <0.062 Grv Sand SL-CL 783041 3.0 12 0.0 33.4 24.0 11.6 3.5 3.0 2.8 1.9 5.9 8.2 3.9 1.8 71.6 25.5 2.8 783042 5.0 11 6.1 9.2 10.2 10.2 5.2 6.3 6.6 6.4 7.6 8.1 6.0 18.2 39.5 40.8 19.7 783043 2.0 12 8.0 5.0 13.9 20.9 13.3 13.2 10.4 7.3 4.7 2.2 0.9 0.2 57.7 41.9 0.4 783046 3.0 10 27.7 17.5 12.4 11.7 6.3 7.3 7.6 5.4 2.4 1.0 0.5 0.4 73.9 25.6 0.5 783048 3.0 0.0 10 17.1 19.6 18.8 14.7 9.6 7.6 5.9 4.3 1.7 0.5 0.2 0.0 77.3 22.6 0.1 783062 1.0 17 18.0 10.8 18.0 10.8 2.6 4.7 4.6 5.3 5.5 5.4 4.3 9.8 59.7 29.4 10.9 783063 2.0 24 0.0 0.0 11.7 21.3 11.3 9.8 13.4 28.1 3.9 0.4 0.1 0.1 41.5 58.4 0.1 783064 2.0 26 0.0 4.5 14.9 17.9 6.4 12.8 20.9 17.0 4.6 0.7 0.1 0.3 42.0 57.7 0.4 783065 8.0 12 0.0 13.6 13.6 20.4 12.0 12.2 12.9 11.0 3.3 0.6 0.2 0.3 56.5 43.1 0.4 783068 5.0 12 0.0 6.3 18.9 12.6 7.2 8.0 8.2 8.4 7.5 7.0 5.6 10.2 43.3 45.2 11.5 783070 2.0 3.0 13 10.3 2.6 5.1 10.3 3.6 9.3 11.5 11.8 10.8 9.7 7.0 8.2 30.9 59.1 9.9 783071 3.0 12 8.6 3.7 9.9 16.0 9.0 12.4 11.3 14.2 10.5 3.6 0.7 0.1 44.9 54.8 0.3 783072 2.0 12 11.4 8.0 21.6 18.2 5.2 5.6 7.2 10.7 9.9 1.7 0.1 0.4 63.0 36.6 0.4 783086 25.0 13 0.0 2.2 4.4 8.8 4.3 5.7 9.7 16.4 21.2 16.1 6.1 5.1 18.7 74.7 6.6 783087 2.0 16 3.7 6.2 8.7 12.5 10.8 20.8 24.0 10.2 2.1 0.6 0.2 0.2 39.2 60.5 0.3 783088 5.0 17 0.0 1.3 5.1 5.1 4.8 8.7 11.8 18.2 25.5 12.9 5.0 1.8 15.0 82.0 3.0 783089 2.0 0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 0.7 5.9 28.6 35.8 28.5 0.0 62.6 37.4 783090 5.0 11 0.0 14.9 8.7 12.4 4.6 6.6 7.3 7.3 7.2 6.6 4.6 19.9 39.3 39.6 21.1 783098 3.0 11 6.6 38.7 16.6 13.3 9.8 6.3 4.6 2.9 1.0 0.3 0.1 0.0 82.4 17.5 0.1 783099 1.0 11 15.2 24.3 17.2 13.2 7.0 6.9 6.8 5.6 2.8 0.9 0.2 0.0 75.1 24.9 0.1 783101 7.0 13 0.0 10.0 19.0 15.0 5.1 4.6 5.9 10.3 12.9 8.4 4.1 4.7 47.9 46.3 5.7 783102 6.0 0 0.0 0.0 0.0 0.0 2.3 7.2 14.5 25.2 25.8 14.5 5.0 5.5 1.7 91.6 6.7 783104 2.0 11 14.4 22.9 17.8 13.6 10.2 6.5 5.6 4.2 2.5 0.9 0.3 1.0 76.3 22.6 1.1 783105 1.0 11 0.0 16.4 29.4 32.7 8.2 3.3 2.4 2.2 2.5 1.9 0.8 0.1 84.7 15.0 0.3 783106 0.5 12 14.5 18.5 30.4 15.9 6.8 5.4 3.3 2.4 2.0 0.7 0.1 0.0 84.4 15.5 0.0 783107 0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 1.9 28.4 49.2 14.9 5.2 0.0 91.1 8.9 783108 5.0 10 0.0 6.4 8.0 8.0 3.8 5.2 8.1 11.4 12.2 10.0 7.5 19.3 25.4 53.4 21.2 783109 5.6 14 7.1 18.5 17.0 12.8 7.1 7.5 7.4 10.1 6.6 2.3 0.8 3.0 60.7 36.1 3.2 793826 4.0 4.0 17 19.1 20.7 15.1 12.8 6.4 7.6 8.1 6.4 2.5 0.8 0.3 0.2 72.5 27.2 0.3 793827 2.5 5.0 10 7.8 10.2 14.8 14.8 4.6 6.9 6.8 7.1 6.7 5.6 3.8 11.0 51.1 37.0 11.9 793830 1.0 2.0 0 0.0 0.0 0.0 0.0 12.1 14.0 12.1 12.4 13.6 14.0 10.4 11.5 9.1 76.9 14.1 793831 5.0 8.0 0 0.0 0.0 0.0 4.5 8.6 5.7 6.8 9.2 13.2 14.5 12.5 25.0 11.0 60.9 28.1 793832 1.0 3.0 0 0.0 0.0 0.0 3.4 14.5 13.1 15.8 17.5 16.4 10.5 3.6 5.1 14.3 79.7 6.0 793833 1.0 3.0 0 0.0 0.0 0.0 7.2 12.0 17.5 15.5 15.2 13.9 8.6 6.2 4.0 16.2 78.3 5.6 793834 2.0 10 6.8 7.7 12.8 12.8 7.0 15.1 21.4 13.9 1.7 0.2 0.1 0.2 45.4 54.3 0.3 793835 3.0 8.0 10 8.0 11.9 11.9 17.5 9.4 13.6 13.4 7.8 4.5 1.4 0.3 0.3 56.4 43.2 0.4 793836 3.0 8.0 0 0.0 0.0 0.0 3.2 2.6 8.6 10.6 24.3 46.3 4.2 0.2 0.1 5.1 94.7 0.2 793837 1.0 0 0.0 0.0 0.0 8.9 11.5 18.7 26.9 26.4 5.8 1.1 0.3 0.4 17.5 82.0 0.5 793838 1.0 4.0 0 0.0 0.0 0.0 17.3 16.2 14.6 13.3 16.5 11.8 5.0 2.8 2.6 29.4 67.3 3.3 793839 1.0 4.0 0 0.0 0.0 0.0 0.0 8.1 10.2 11.1 14.2 17.7 16.3 10.8 11.7 6.0 79.6 14.4 793840 2.0 5.0 0 0.0 0.0 0.0 0.0 0.8 4.2 12.3 17.0 8.7 19.0 24.1 13.8 0.6 79.6 19.8 794533 2.0 10.0 0 0.0 0.0 0.0 4.1 25.3 26.9 20.0 12.7 5.1 3.0 1.6 1.3 23.1 75.2 1.8 921069 2.3 5.0 18 3.6 10.7 7.8 7.1 4.9 6.6 8.8 9.6 11.0 9.1 8.0 12.7 32.9 52.4 14.7 921070 3.6 7.0 19 0.0 5.7 7.8 15.6 7.4 8.9 9.8 10.3 10.3 9.7 9.7 4.9 34.6 58.1 7.3 921071 1.7 4.0 15 0.0 5.6 13.8 19.5 8.1 11.2 8.6 13.5 15.8 3.4 0.4 0.1 45.0 54.8 0.2 921072 1.1 4.0 16 19.6 28.2 16.0 10.4 4.7 4.8 5.3 4.8 3.3 1.6 0.9 0.4 77.8 21.6 0.6 921073 4.7 10.0 17 0.0 5.0 4.2 8.4 8.9 17.7 18.8 22.0 12.3 2.1 0.4 0.2 24.4 75.4 0.3 921074 1.1 3.0 18 0.0 17.9 9.9 9.3 5.1 13.4 17.3 18.6 7.3 1.0 0.2 0.0 40.9 59.0 0.1 1 2 A / 1 5 1L 2L 1K 2F 2E 1N 11I 2K 2C 2D 2N 1M 12I 2M 11J 11P 12J 12B 12A 11O 12H 12P 12G 12O N E W F O U N D L A N D 0 80 km INDEX MAP Grain-size results from the 63, 32, 16 and 8 mm mesh sieves were obtained at the sample site location by sieving between 10 and 15 kg of material. A 500 to 1000 gm split of the <8 mm material (sand-silt-clay) was retained for laboratory sieve analysis. Laboratory sieve analyses included the use of seven sieves with mesh openings of 4, 2, 1, 0.5, 0.25, 0.125, 0.062 and the -0.062 mm pan fraction. Samples were wet and/or dry sieved (Kirby et al., 1983) depending on silt-clay content and consolidation of particles. et al., ZONES OF AGGREGATE POTENTIAL Contains granular materials; probability of locating economic deposits is moderate to high Contains thin (less than 2 m) or discontinuous granular materials; also includes areas where extent of thicker deposits could not be determined by field investigation; probability of locating economic deposits is moderate to low May contain granular materials but deposits are not substantiated by field investigation; probability of locating economic deposits is moderate to low Material of granular composition (e.g., sandy tills and colluvium) that generally contains up to 8 percent silt-clay content, but could be improved for higher grade uses by washing or screening Contains sand-size granular materials; high potential for economic exploitation of sand; low to moderate potential for coarser granular materials Eskers: sinuous ridges of granular materials; moderate to high potential for economic exploitation Study Area within the dashed outline In addition to this map data, a granular-aggregate database is accessible in the Geoscience Resource Atlas of Newfoundland and Labrador (http://gis.geosurv.gov.nl.ca) for all granular-aggregate maps and sample data. The database provides information on more than 13 000 samples collected from 230, 1:50 000-scale-map areas in Newfoundland and Labrador. This map was originally produced in a series of blueline maps from airphoto interpretation and field work (Environmental Geology Section, 1983). In some map areas additional sample data was collected after the publication date. The location of roads added to topographic map base are approximate. Elevation in metres above mean sea level. Contour interval 10 metres. Digital Cartography by T.J. Sears, Geological Survey, Department of Natural Resources, Government of Newfoundland and Labrador. Copies of this map may be obtained from the Geoscience Publication and Information Section, Geological Survey, Department of Natural Resources, Government of Newfoundland and Labrador, P.O. Box 8700, St. John’s, NL, Canada, A1B 4J6. This map is subject to review and revision. Comments to the author concerning errors or omissions are invited. Base from maps published by Surveys and Mapping Branch, Department of Natural Resources, Ottawa, Canada. OPEN FILE 012A/15/1302 This map supercedes Map 82-154, Open File NFLD/1300. PUBLISHED 2008 REFERENCES Environmental Geology Section Note Open File reports and maps issued by the Geological Survey Division of the Newfoundland and Labrador Department of Natural Resources are made available for public use without being formally edited or peer reviewed. They are based upon preliminary data and evaluation. The purchaser agrees not to provide a digital reproduction or copy of this product to a third party. Derivative products should acknowledge the source of the data. Disclaimer The Geological Survey, a division of the Department of Natural Resources (the “authors and publishers”), retains the sole right to the original data and information found in any product produced. The authors and publishers assume no legal liability or responsibility for any alterations, changes or misrepresentations made by third parties with respect to these products or the original data. Furthermore, the Geological Survey assumes no liability with respect to digital reproductions or copies of original products or for derivative products made by third parties. Please consult with the Geological Survey in order to ensure originality and correctness of data and/or products. <><><><> 2008: Granular-aggregate resources of the Buchans map area (NTS 12A/15). Government of Newfoundland and Labrador, Department of Natural Resources, Geological Survey, Map 2008-25, Open File 012A/15/1302. 1983: 1:50 000 scale aggregate resource maps outlining zones of aggregate potential within a 6-km-wide corridor in Newfoundland. Newfoundland Department of Mines and Energy, Mineral Development Division, Open File NFLD/1300. Kirby, F.T., Ricketts, R.J. and Vanderveer, D.G. 1983: Inventory of aggregate resources in Newfoundland and Labrador; information report and index maps. Newfoundland Department of Mines and Energy, Mineral Development Division, Report 83-2, 36 pages. Recommended citation Ricketts, M.J. E-mail: [email protected] Website: http://www.nr.gov.nl.ca/mines&en/geosurvey
Transcript of T H E T O P S A I L S LEGEND - Newfoundland and Labrador · 2019. 11. 19. · 783108 783 9 783089...
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Buchans
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T H E T O P S A I L S
R E D I N D I A N L A K E
GRANULAR-AGGREGATE RESOURCESOF THE BUCHANS MAP AREA
(NTS 12A/15)OPEN FILE 012A/15/1302
MAP 2008-25
LEGEND
Sample types (based on laboratory sieve analysis - see Table 1)SampleSymbol Definition
NoteThis is a composite legend for all granular-aggregate resource maps. All aggregate zones and sample types shown in the legendmay not appear on this map. Aggregate zone classification is based on airphoto interpretation, field investigation and sieveanalyses. Areas outside the numbered zones have no known potential for granular materials; however silty tills, rock rubblesuitable for fill, and bedrock suitable for aggregate may be present. Classification criteria used on this map do not considercurrent or conflicting land uses, nor do they guarantee either access to, or the quality of, the material located within these zones.
Multiple samples taken from the same site in different years are listed in order from oldest to youngest. Multiple samples taken atthe same site in the same year are listed in order, from the top of the exposure to bottom.
GEOLOGICAL
SURVEY
NE
WFO
UNDLAND
AND LABRA
DO
R
1864
Table 1: Exposure thickness (Exp), estimated deposit thickness (Dep), petrographic number (PN), grain-size percentages (based onpercent retained on the 63 mm down to the -0.062 mm mesh sieves) and gravel (Grv), sand and silt-clay (SL-CL) content of samplematerial collected in NTS area 12A/15.
GRAIN-SIZE ANALYSES
Commonly gravel or sand, having silt-clay content < 5 percent. Deposits are commonly graded and stratified.
Commonly till, poorly graded and of variable grain size, having a silt-clay content (> 5 and < 15 percent) and stonesize exceeding allowable limits for most geotechnical purposes (except subgrade uses) without processing (i.e.,washing, screening or crushing).
Commonly silty till, silt or clay samples, having silt-clay content > 15 percent.
MAP 2008-25
BUCHANSNEWFOUNDLAND & LABRADOR
1 0 1 2 3 40.5
Kilometres
Sample Exp Dep PN 63 32 16 8 4 2 1 0.5 0.25 0.125 0.062 <0.062 Grv Sand SL-CL 783041 3.0 12 0.0 33.4 24.0 11.6 3.5 3.0 2.8 1.9 5.9 8.2 3.9 1.8 71.6 25.5 2.8 783042 5.0 11 6.1 9.2 10.2 10.2 5.2 6.3 6.6 6.4 7.6 8.1 6.0 18.2 39.5 40.8 19.7 783043 2.0 12 8.0 5.0 13.9 20.9 13.3 13.2 10.4 7.3 4.7 2.2 0.9 0.2 57.7 41.9 0.4 783046 3.0 10 27.7 17.5 12.4 11.7 6.3 7.3 7.6 5.4 2.4 1.0 0.5 0.4 73.9 25.6 0.5 783048 3.0 0.0 10 17.1 19.6 18.8 14.7 9.6 7.6 5.9 4.3 1.7 0.5 0.2 0.0 77.3 22.6 0.1 783062 1.0 17 18.0 10.8 18.0 10.8 2.6 4.7 4.6 5.3 5.5 5.4 4.3 9.8 59.7 29.4 10.9 783063 2.0 24 0.0 0.0 11.7 21.3 11.3 9.8 13.4 28.1 3.9 0.4 0.1 0.1 41.5 58.4 0.1 783064 2.0 26 0.0 4.5 14.9 17.9 6.4 12.8 20.9 17.0 4.6 0.7 0.1 0.3 42.0 57.7 0.4 783065 8.0 12 0.0 13.6 13.6 20.4 12.0 12.2 12.9 11.0 3.3 0.6 0.2 0.3 56.5 43.1 0.4 783068 5.0 12 0.0 6.3 18.9 12.6 7.2 8.0 8.2 8.4 7.5 7.0 5.6 10.2 43.3 45.2 11.5 783070 2.0 3.0 13 10.3 2.6 5.1 10.3 3.6 9.3 11.5 11.8 10.8 9.7 7.0 8.2 30.9 59.1 9.9 783071 3.0 12 8.6 3.7 9.9 16.0 9.0 12.4 11.3 14.2 10.5 3.6 0.7 0.1 44.9 54.8 0.3 783072 2.0 12 11.4 8.0 21.6 18.2 5.2 5.6 7.2 10.7 9.9 1.7 0.1 0.4 63.0 36.6 0.4 783086 25.0 13 0.0 2.2 4.4 8.8 4.3 5.7 9.7 16.4 21.2 16.1 6.1 5.1 18.7 74.7 6.6 783087 2.0 16 3.7 6.2 8.7 12.5 10.8 20.8 24.0 10.2 2.1 0.6 0.2 0.2 39.2 60.5 0.3 783088 5.0 17 0.0 1.3 5.1 5.1 4.8 8.7 11.8 18.2 25.5 12.9 5.0 1.8 15.0 82.0 3.0 783089 2.0 0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 0.7 5.9 28.6 35.8 28.5 0.0 62.6 37.4 783090 5.0 11 0.0 14.9 8.7 12.4 4.6 6.6 7.3 7.3 7.2 6.6 4.6 19.9 39.3 39.6 21.1 783098 3.0 11 6.6 38.7 16.6 13.3 9.8 6.3 4.6 2.9 1.0 0.3 0.1 0.0 82.4 17.5 0.1 783099 1.0 11 15.2 24.3 17.2 13.2 7.0 6.9 6.8 5.6 2.8 0.9 0.2 0.0 75.1 24.9 0.1 783101 7.0 13 0.0 10.0 19.0 15.0 5.1 4.6 5.9 10.3 12.9 8.4 4.1 4.7 47.9 46.3 5.7 783102 6.0 0 0.0 0.0 0.0 0.0 2.3 7.2 14.5 25.2 25.8 14.5 5.0 5.5 1.7 91.6 6.7 783104 2.0 11 14.4 22.9 17.8 13.6 10.2 6.5 5.6 4.2 2.5 0.9 0.3 1.0 76.3 22.6 1.1 783105 1.0 11 0.0 16.4 29.4 32.7 8.2 3.3 2.4 2.2 2.5 1.9 0.8 0.1 84.7 15.0 0.3 783106 0.5 12 14.5 18.5 30.4 15.9 6.8 5.4 3.3 2.4 2.0 0.7 0.1 0.0 84.4 15.5 0.0 783107 0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 1.9 28.4 49.2 14.9 5.2 0.0 91.1 8.9 783108 5.0 10 0.0 6.4 8.0 8.0 3.8 5.2 8.1 11.4 12.2 10.0 7.5 19.3 25.4 53.4 21.2 783109 5.6 14 7.1 18.5 17.0 12.8 7.1 7.5 7.4 10.1 6.6 2.3 0.8 3.0 60.7 36.1 3.2 793826 4.0 4.0 17 19.1 20.7 15.1 12.8 6.4 7.6 8.1 6.4 2.5 0.8 0.3 0.2 72.5 27.2 0.3 793827 2.5 5.0 10 7.8 10.2 14.8 14.8 4.6 6.9 6.8 7.1 6.7 5.6 3.8 11.0 51.1 37.0 11.9 793830 1.0 2.0 0 0.0 0.0 0.0 0.0 12.1 14.0 12.1 12.4 13.6 14.0 10.4 11.5 9.1 76.9 14.1 793831 5.0 8.0 0 0.0 0.0 0.0 4.5 8.6 5.7 6.8 9.2 13.2 14.5 12.5 25.0 11.0 60.9 28.1 793832 1.0 3.0 0 0.0 0.0 0.0 3.4 14.5 13.1 15.8 17.5 16.4 10.5 3.6 5.1 14.3 79.7 6.0 793833 1.0 3.0 0 0.0 0.0 0.0 7.2 12.0 17.5 15.5 15.2 13.9 8.6 6.2 4.0 16.2 78.3 5.6 793834 2.0 10 6.8 7.7 12.8 12.8 7.0 15.1 21.4 13.9 1.7 0.2 0.1 0.2 45.4 54.3 0.3 793835 3.0 8.0 10 8.0 11.9 11.9 17.5 9.4 13.6 13.4 7.8 4.5 1.4 0.3 0.3 56.4 43.2 0.4 793836 3.0 8.0 0 0.0 0.0 0.0 3.2 2.6 8.6 10.6 24.3 46.3 4.2 0.2 0.1 5.1 94.7 0.2 793837 1.0 0 0.0 0.0 0.0 8.9 11.5 18.7 26.9 26.4 5.8 1.1 0.3 0.4 17.5 82.0 0.5 793838 1.0 4.0 0 0.0 0.0 0.0 17.3 16.2 14.6 13.3 16.5 11.8 5.0 2.8 2.6 29.4 67.3 3.3 793839 1.0 4.0 0 0.0 0.0 0.0 0.0 8.1 10.2 11.1 14.2 17.7 16.3 10.8 11.7 6.0 79.6 14.4 793840 2.0 5.0 0 0.0 0.0 0.0 0.0 0.8 4.2 12.3 17.0 8.7 19.0 24.1 13.8 0.6 79.6 19.8 794533 2.0 10.0 0 0.0 0.0 0.0 4.1 25.3 26.9 20.0 12.7 5.1 3.0 1.6 1.3 23.1 75.2 1.8 921069 2.3 5.0 18 3.6 10.7 7.8 7.1 4.9 6.6 8.8 9.6 11.0 9.1 8.0 12.7 32.9 52.4 14.7 921070 3.6 7.0 19 0.0 5.7 7.8 15.6 7.4 8.9 9.8 10.3 10.3 9.7 9.7 4.9 34.6 58.1 7.3 921071 1.7 4.0 15 0.0 5.6 13.8 19.5 8.1 11.2 8.6 13.5 15.8 3.4 0.4 0.1 45.0 54.8 0.2 921072 1.1 4.0 16 19.6 28.2 16.0 10.4 4.7 4.8 5.3 4.8 3.3 1.6 0.9 0.4 77.8 21.6 0.6 921073 4.7 10.0 17 0.0 5.0 4.2 8.4 8.9 17.7 18.8 22.0 12.3 2.1 0.4 0.2 24.4 75.4 0.3 921074 1.1 3.0 18 0.0 17.9 9.9 9.3 5.1 13.4 17.3 18.6 7.3 1.0 0.2 0.0 40.9 59.0 0.1
12A/15
1L
2L
1K
2F2E
1N
11I
2K
2C2D
2N
1M
12I
2M
11J
11P
12J
12B 12A
11O
12H
12P
12G
12O
NEWFOUNDLAND0 80
km
INDEX MAP
Grain-size results from the 63, 32, 16 and 8 mm mesh sieves were obtained at the sample site location by sieving between 10 and 15kg of material. A 500 to 1000 gm split of the <8 mm material (sand-silt-clay) was retained for laboratory sieve analysis. Laboratorysieve analyses included the use of seven sieves with mesh openings of 4, 2, 1, 0.5, 0.25, 0.125, 0.062 and the -0.062 mm panfraction. Samples were wet and/or dry sieved (Kirby et al., 1983) depending on silt-clay content and consolidation of particles.et al.,
ZONES OF AGGREGATE POTENTIAL
Contains granular materials; probability of locating economic deposits is moderate to high
Contains thin (less than 2 m) or discontinuous granular materials; also includes areas where extent of thickerdeposits could not be determined by field investigation; probability of locating economic deposits is moderate to low
May contain granular materials but deposits are not substantiated by field investigation; probability of locatingeconomic deposits is moderate to low
Material of granular composition (e.g., sandy tills and colluvium) that generally contains up to 8 percent silt-claycontent, but could be improved for higher grade uses by washing or screening
Contains sand-size granular materials; high potential for economic exploitation of sand; low to moderate potential forcoarser granular materials
Eskers: sinuous ridges of granular materials; moderate to high potential for economic exploitation
Study Area within the dashed outline
In addition to this map data, a granular-aggregate database is accessible in the Geoscience Resource Atlas of Newfoundlandand Labrador (http://gis.geosurv.gov.nl.ca) for all granular-aggregate maps and sample data. The database providesinformation on more than 13 000 samples collected from 230, 1:50 000-scale-map areas in Newfoundland and Labrador.
This map was originally produced in a series of blueline maps from airphoto interpretation and field work (Environmental GeologySection, 1983). In some map areas additional sample data was collected after the publication date.
The location of roads added to topographic map base are approximate.
Elevation in metres above mean sea level. Contour interval 10 metres.
Digital Cartography by T.J. Sears, Geological Survey, Department of Natural Resources, Government of Newfoundland andLabrador.
Copies of this map may be obtained from the Geoscience Publication and Information Section, Geological Survey, Department ofNatural Resources, Government of Newfoundland and Labrador, P.O. Box 8700, St. John’s, NL, Canada, A1B 4J6.
This map is subject to review and revision. Comments to the author concerning errors or omissions are invited.
Base from maps published by Surveys and Mapping Branch, Department of Natural Resources, Ottawa, Canada.
OPEN FILE 012A/15/1302This map supercedes Map 82-154, Open File NFLD/1300.
PUBLISHED 2008
REFERENCES
Environmental Geology Section
NoteOpen File reports and maps issued by the Geological Survey Division of the Newfoundland and Labrador Department of NaturalResources are made available for public use without being formally edited or peer reviewed. They are based upon preliminarydata and evaluation.
The purchaser agrees not to provide a digital reproduction or copy of this product to a third party. Derivative products shouldacknowledge the source of the data.
DisclaimerThe Geological Survey, a division of the Department of Natural Resources (the “authors and publishers”), retains the sole right tothe original data and information found in any product produced. The authors and publishers assume no legal liability orresponsibility for any alterations, changes or misrepresentations made by third parties with respect to these products or theoriginal data. Furthermore, the Geological Survey assumes no liability with respect to digital reproductions or copies of originalproducts or for derivative products made by third parties. Please consult with the Geological Survey in order to ensure originalityand correctness of data and/or products.
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2008: Granular-aggregate resources of the Buchans map area (NTS 12A/15). Government of Newfoundland andLabrador, Department of Natural Resources, Geological Survey, Map 2008-25, Open File 012A/15/1302.
1983: 1:50 000 scale aggregate resource maps outlining zones of aggregate potential within a 6-km-wide corridor inNewfoundland. Newfoundland Department of Mines and Energy, Mineral Development Division, Open File NFLD/1300.
Kirby, F.T., Ricketts, R.J. and Vanderveer, D.G.1983: Inventory of aggregate resources in Newfoundland and Labrador; information report and index maps.Newfoundland Department of Mines and Energy, Mineral Development Division, Report 83-2, 36 pages.
Recommended citation
Ricketts, M.J.
E-mail: [email protected]: http://www.nr.gov.nl.ca/mines&en/geosurvey
