Saint Mary’s University Geology Worksheet

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Saint Mary’s University

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In Class Assignment Geology 1207 As you know Radon and uranium in well waters can be an environmental and health issue. 1) In Nova Scotia there are several types of uranium occurrences. Look at the map 1 of the province and list the various deposit types and give their general location. What rock types might host the different deposits? 2) For map 2 of the Lake Hot Stuff area of the province the following well chemistry has been determined: Well Site U ppm Radon B/l A .004 500 B .003 628 C .002 899 D .019 3246 E .030 4444 F .151 5798 G .198 7729 H .224 10000 I .025 2200 J .019 4587 K .019 3789 L .008 1990 M .007 1100 N .019 1978 O .019 2000 a) Plot the numbers beside each well site on the map for example . N .018 U 2659 Rn b) The limit for uranium in water has been determined to be 0.02 ppm. Draw an all inclusive polygon (or contour) around all of the well sites greater than the acceptable limit. (Use pencil or coloured pen). c) The limit of radon that is considered safe is 1900 bacquerels per litre. Draw an all inclusive polygon around all of the well sites greater than the acceptable limit. (Use a different colour pencil or coloured pen than used for uranium). d) How do the two contours correspond to each other? (Shape, size, rock type) e) There are numerous building lots available in this area. If radon and uranium were the main criteria for location, where would you build your house and why? Map 1 1 1 1 6 3 8 3 6 3 7 3 5 1 2 4 2 Uranium Occurrences In Nova Scotia Chetticamp Sydney Tatamagouche Cobequid Highlands Truro Windsor Halifax After O’Reilly (2005) Deposit Types 100 km Granite vein-type…. Calcrete type. Pegmatite…….….... Trend Type (roll)…….... Roll-front.………….. IOCG type…………....
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In Class Assignment Geology 1207

1. The following is the list of various deposit types ad their corresponding general
location by looking into the map 1 of the province.

Deposit
types

General Locations

Granite Vein
type

Halifax, South Mountain

Pegmatite

Between South Mountain and Windsor and in a very little quantity in Antigonish

Roll front

Tatamagouche, Windsor

Calcrete type

Truro and a very less q...


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