Application of regional aeromagnetic data in targeting detailed fracture zones

Journal of Applied Geophysics

Volumn 71, Issue 2-3, 2010, Pages 62-70

  Airo, Meri Liisa ^a   Wennerström, Marit ^a  

^a GEOLOGICAL SURVEY OF FINLAND   (Finland)

Author keywords

Brittle directional structure; Finland; Joints; Magnetic lineament; Magnetic trend analysis; Orientation; Predictive geological mapping; Urban environment

Indexed keywords

AEROMAGNETIC DATA; FENNOSCANDIAN SHIELDS; FINLAND; FRACTURE ZONE; GEOLOGICAL ANALYSIS; GEOLOGICAL FIELDS; GEOLOGICAL MAPPING; GEOLOGICAL TERRAINS; GEOPHYSICAL DATA; HIGH RESOLUTION; JOINT SET; PREDICTIVE MAPPING; SOUTHERN FINLAND; TREND ANALYSIS; URBAN ENVIRONMENTS;

FRACTURE; GEOLOGICAL SURVEYS; MAGNETIC MATERIALS; MAGNETISM; MAPPING; URBAN PLANNING;

STRUCTURAL GEOLOGY;

AEROMAGNETIC SURVEY; BEDROCK; BRITTLE FRACTURE; DATA SET; FRACTURE ZONE; GEOLOGICAL MAPPING; JOINT; TERRAIN; TREND ANALYSIS; URBAN AREA;

BALTIC SHIELD; FINLAND;

EID: 77953962611     PISSN: 09269851     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jappgeo.2010.03.003     Document Type: Article

References (20)

1. Airo M.-L. Aeromagnetic and petrophysical investigations applied to tectonic analysis in the northern Fennoscandian shield. Report of Investigation 1999, 145. Geological Survey of Finland, 51 pp.
2. Airo M.-L., Loukola-Ruskeeniemi K. Characterization of sulfide deposits by airborne magnetic and gamma-ray responses in eastern Finland. Ore Geology Reviews 2004, 24(2004):67-84.
3. Airo M.-L., Mertanen S. Magnetic signatures related to orogenic gold mineralization, Central Lapland Greenstone Belt, Finland. Journal of Applied Geophysics 2008, 64:14-24.
4. Airo M.-L., Elminen T., Mertanen S., Niemelä R., Pajunen M., Wasenius P., Wennerström M. Aerogeophysical approach to ductile and brittle structures in the densely populated urban Helsinki Area, southern Finland. Geological Survey of Finland, Special Paper 2008, 47:283-308.
5. Cooper G.R.J., Cowan D.R. Enhancing potential field data using filters based on the local phase. Computers and Geosciences 2006, 32/10:1585-1591.
6. Elminen T., Airo M.-L., Niemelä R., Pajunen M., Vaarma M., Wasenius P., Wennerström M. Fault structures in the Helsinki area, southern Finland. Geological Survey of Finland, Special Paper 2008, 47:185-213.
7. Geosoft Oasis Montaj 6.0 Mapping and Processing System. Quick Start Tutorials 2004, Geosoft Incorporated, 258 pp.
8. Grant F.S. Aeromagnetics, geology and ore environments, I. Magnetite in igneous, sedimentary and metamorphic rocks: an overview. Geoexploration 1984, 23:303-333.
9. Hautaniemi H., Kurimo M., Multala J., Leväniemi H., Vironmäki J. The "Three In One" Aerophysical Concept of GTK in 2004. Geological Survey of Finland, Special Paper 2005, 39:21-74.
10. Henkel H., Guzmán M. Magnetic features of fracture zones. Geoexploration 1977, 15:173-181.
11. Hirvas H., Nenonen K. Action of the continental ice sheet. Atlas of Finland, Appendix 123-126 geology 1992, 8-9. National Board of Survey, Geographical Society of Finland.
12. Korhonen J.V. Airborne magnetic method: special features and review on applications. Geological Survey of Finland, Special Paper 2005, 39:77-102.
13. Lipponen A., Airo M.-L. Linking regional-scale lineaments to local-scale fracturing and groundwater inflow into Päijänne water conveyance tunnel, Finland. Near Surface Geophysics 2006, 4:97-111.
14. Niini H. Kallioperän alueelliset laatuvaihtelut - regional variations in bedrock quality. Soil and Ground Construction 1976, 220. Finnish Association of Civil Engineers, Helsinki, (In Finnish).
15. Olesen O., Dehls J.F., Ebbing J., Henriksen H., Kihle O., Lundin E. Aeromagnetic mapping of deep-weathered fracture zones in the Oslo Region - a new tool for improved planning of tunnels. Norwegian Journal of Geology 2006, 87:253-267.
16. Pajunen M., Airo M.-L., Wennerström M., Niemelä R., Wasenius P. Preliminary report: The "shear zone research and rock engineering" project, Pori area, south-western Finland. Geological Survey of Finland, Special Paper 2001, 31:7-16.
17. Pajunen M., Airo M.-L., Elminen T., Niemelä R., Vaarma M., Wasenius P., Wennerström M. Tectonic evolution of Svecofennian crust in southern Finland. Geological Survey of Finland, Special Paper 2008, 47:15-160.
18. Verduzco B., Fairhead J.D., Green C.M., MacKenzie C. New insights into magnetic derivatives for structural mapping. The Leading Edge 2004, 23:116-119.
19. Wennerström M., Airo M.-L., Elminen T., Pajunen M., Salmelainen J. Structural evolution of the crust as a means of determining the technical properties of bedrock. IAEG Paper 2006, number 86. 9 pp.
20. Wennerström M., Airo M.-L., Elminen T., Niemelä R., Pajunen M., Vaarma M., Wasenius P. Orientation and properties of jointing in the Helsinki Area, southern Finland. Geological Survey of Finland, Special Paper 2008, 47:253-282.