Finding where to dig

Question 1

Chance finds

Answer 1

Sites being discovered by accident during the construction of buildings, roads, railways etc

Question 2

Written and oral records

Answer 2

The use of written records, myths or stories to locate sites

Question 3

Aerial photography

Answer 3

The most efficient and productive method of finding sites such as crop marks, shadow sites,soil mark sites and geophysical (surveying)

Question 4

Crop marks

Answer 4

The differences in the amount of moisture in the soil

Question 5

Shadow sites

Answer 5

Sites are visible when photographed in the morning or late in the evening

Question 6

Soil mark sites

Answer 6

The different coloured soils, usually after ploughing. The remains of a site may be of different materials to the soil around it and where to the surface will appear a different colour to the surrounding

Question 7

Geophysical (surveying)

Answer 7

Magnetic - detects difference in the field of the soil by using a magnetometer. Areas of burning such as heart gives higher readings. The method is usually used underwater

Resistivity - Base on principle that underground features such as walls have a high resistance to an electric current whereas feature such as ditches or pits have a low resistance