Rocks, resources and scenery - Lafarge Cement Works nr. Castleton

Question 1

what percentage of limestone quarried in Peak District is used in the production of cement?

Answer 1

23%

Question 2

what 3 things is cement used to make?

Answer 2

plaster, cement and mortar

Question 3

Lafarge cement works near Castleton makes up what percentage of the UK’s cement?

Answer 3

10%

Question 4

why is Lafarge cement works in an ideal location?

Answer 4

it is on the boundary of two rock types, limestone and shale which provide two main minerals, calcium and silicon, needed to make cement

Question 5

step 1 for making cement -

Answer 5

limestone and shale boulders extracted from quarries adjoining cement works. Conveyer belt transports the shale directly from the quarry

Question 6

step 2 of making cement -

Answer 6

stone boulders are reduced to the size of marbles in the crusher

Question 7

step 3 of making cement -

Answer 7

small quantities of aluminium and iron are added

Question 8

step 4 of making cement -

Answer 8

raw materials are ground to a powder called raw meal

Question 9

step 5 of making cement -

Answer 9

heated to 1500C in the furnace, fuelled using old tyres and sewage pellets

Question 10

step 6 of making cement -

Answer 10

chemical reactions take place to form cement clinker - large, glassy, red-hot cinders. Cooled and ground into fine powdery cement and is stored in large silos

Question 11

what percentage of cement is transported from Castleton by train?

Answer 11

60%

Question 12

what has been done to reduce visual pollution at the cement works?

Answer 12

trees have been planted which also absorb the CO2 produced by the factory

Question 13

how many carboniferous limestone quarries are there in the Peak District National Park?

Answer 13

12