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RISE AND FALL OF THE NOVA SCOTIA COAL INDUSTRYIntroduction Coal mining has always been an important component of Nova Scotia's economy, landscape and culture. Together with cod fishing it was the primary export and employer for the regions population. With both industries now failing, the poor economic climate will no doubt have an effect on the population. This paper attempts to examine the economic conditions, market forces, and political maneuvering that gave rise to the coal industry in Nova Scotia as well as those contributing to its demise. Coal Formation The first stage in the formation of the fossil fuel we know as coal is large accumulations of organic matter, an anoxic environment, and large amounts of time. Dead plant material readily decomposes when exposed to the oxygen rich atmosphere so an oxygen poor environment is required. Common environments meeting these conditions were swamps of the Carboniferous period. As plant life died in these swamps the dead organic matter sank into the oxygen deficient stagnant water where it was partially decomposed by bacteria. This partial decomposition lead to an accumulation of a spongy brown material known as peat. Peat itself can serve as an energy source albeit not a very efficient one. The next stage in coal development involves the burying of the peat accumulations by layers of sediment (Montgomery, 1990). As the peat is buried more and more pressure and heat is exerted upon the peat squeezing out the water and various gasses (volatiles) and increasing the carbon content (Lutgens, Tarbuck, 1993). With shallow burial one gets lignite, a soft brown coal. Then as more and more sediment is loaded on top of the deposit more water and volatiles are pressed out increasing the carbon content changing lignite to bituminous coal. With even more pressure and heat, like the kind associated with mountain building one gets anthracitic coal. So generally the more pressure and heat that the peat experiences the higher the concentration of carbon and the more efficient the fuel. However, too much heat and pressure may result in the changing of coal to graphite (See Fig. 1). Fig. 1 Graph illustrating the relationship between carbon concentration and fuel efficiency. Note the decline in heating value as more volatiles are removed Source: Montgomery 1990. The coal present in eastern Canada was formed in the Fundy Basin of deposition. This basin developed after the Acadian orogeny . After these mountains were formed they immediately underwent physical and chemical weathering, and sediment washed down their slopes to be deposited in the Fundy Basin. In the Fundy basin sediment was further deposited in various sub basins compacting the peat layers present and forming the coalfields of Nova Scotia. The Riversdale fields were the first to be covered by sediment and therefore the oldest followed by the Cumberland deposits and the youngest and most extensive deposits, the Pictou group (Calder, 1985). Rise of the Coal Industry The first historical mention of coal in Nova Scotia was by then Governor Nicholas Denys in dispatches to France in 1673. In his dispatches he wrote that there was a mountain of good coal four leagues up the Spanish River near Cow Bay, Cape Breton Island. The first mining operation to be set up was by the French Acadians to supply the fortress of Louisbourg with coal for heating and various industrial uses. Mining in Pictou county started in 1807 after the discovery of coal there in 1798 by Reverend James MacGregor. Other entrepreneurs quickly realized the potential for profits and several sank small mines into the area (Calder, 1985). The age of the private locally operated mines would soon come to an end however. The King of England at the time was George the IV whose brother was Frederick, the Duke of York. Through his high living and gambling Frederick had incurred a substantial debt. In August of 1826 the King granted upon Frederick a sixty-year lease on all of the mineral rights of the province of Nova Scotia to assist him in paying his debt. Frederick then transferred the right to the General Mining association in 1827. Many thought it unfair that the GMA have a monopoly on all the coal mining in Nova Scotia and the Nova Scotia Legislature had the monopoly revoked in 1858 (Ryan, 1992). Prior to the 1890's there were many unproductive Mines in Cape Breton. One Mr. A.C. Ross is generally credited with realizing that a rail line from the rich Sydney coalfield to the ice free port at Lousisbourg would allow year round coal extraction rather than have to lay off workers in the winter, as ships could not enter Sydney Harbour. Together with Boston businessman H.W. Whitney, owner of New England Gas and Coke Company, which needed large amounts of bituminous coal, they presented a plan for the amalgamation of all the coal companies to the premier of Nova Scotia. With this amalgamation and a large input of foreign investment for modern equipment and transportation systems the output of coal could be greatly increased thereby increasing royalties to the province. Leases were granted in 1894 to the new Dominion Coal Company for ninety-nine years renewable for another twenty upon expiration. Much of the increased output of the mines was sold to the New England Gas and Coke Company facilitated by the construction of new piers in Boston and improved loading facilities at Sydney and Louisbourg. The output of coal increased so rapidly that it was soon realized that another major industry could be supported. Locally limestone was available and an ample supply of iron ore on nearby Belle Island made the construction of a steel mill in Sydney a logical decision. The construction of the mills created a great need for labourers, which greatly increased provincial in-migration. The migrants mostly came from other parts of Canada and the United States. Also many Nova Scotian natives, who had left the province to seek work elsewhere during hard times, were happy to come home to fill jobs. The first furnace was fired on December 19, 1900. These were the boom times when coal was in high demand by industry and the proximity of iron ore, limestone, coal, and the availability of low cost water transportation made Nova Scotia steel very competitive in the world market (Mellor, 1983). Decline of the Coal Industry Coal use began its decline in the industrial sector, its biggest consumer, shortly after WWII (Alm, Curham, 1984). Coal accounted for more than half of Canadian energy consumption from 1890 to shortly after WW II. On Cape Breton peak coal production was reached in the mid 1940's but the post war era brought a steady decline. By 1960 only half of the original mines in the province were still operating (Ryan, 1992). There were many reasons for the decline of the coal mining industry in Nova Scotia and chief among them was competition. The coal industry is a business and like all businesses if it becomes uncompetitive for whatever reason it will die. One of the reasons coal became uncompetitive in the industrial fuels market is its bulky nature. Solid coal has never been and will never be as efficient as oil or gas to handle or transport. In 16th century England the price of coal doubled at a point eight kilometers from the pit head due to transport costs (Langton, 1979). Oil initially replaced coal as the fuel of choice for industries, then gas as these fuels were cheaper, did not require expensive rail and/or barge infrastructures, and they stored easily (Alm, Curham 1984). Prior to the 1950's oil and natural gas were too expensive to use outside of the local production area but during that decade the government approved the construction of 4 pipelines to be built to transport Alberta and British Columbia gas and oil to Central Canada and Vancouver (McDougall, 1982). These pipelines drastically cut the cost of transport (See Fig. 2) and allowed oil and gas to be competitive nationwide. With the pipelines completed oil production increased from 30 million barrels in 1950 to 190 million barrels in 1960, and gas production increased from 70 million cubic feet in 1960 Fuel and transport method Transport Costs (Cents per 1.6 km per 1 short ton of coal equivalent) Electricity via high tension wire 316.5 - 395.5 Bituminous coal by rail 70 - 80 Bituminous coal by water 25 - 30 Natural gas via 34 inch diameter pipe 28- 40.8 Petroleum via 30 inch diameter pipe 9.0-13.5 Fig.2 Comparative costs of energy transport in 1957. From McDougall, 1982 to 500 million cubic feet in 1970. Increased production drove down the prices for these new fuels and their use increased rapidly (See Fig. 3). . Energy Source 1950 1955 1960 1965 1970 Petroleum 29.8 45.7 48.6 49.4 48.1 Natural Gas 2.5 3.9 9.0 13.1 16.5 Coal and Coke 47.6 27.7 14.7 24.5 24.6 Hydroelectricity 20.1 22.7 27.7 24.5 24.6 Total BTU's (1012) 2493 3188 3671 4814 6328 Fig. 3 Sources of Canadian Primary Energy Consumption (percentages) 1950-1970. From Doern, Toner 1985). Another factor instrumental in the decline of coal use is its harmful environmental effects and their associated costs in today's more environmentally conscious society. Sulfur is a major environmental liability problem for coal, and the sulfur content of coal can be as much as 3 per cent. When this sulfur is burned along with the coal it produces sulfur dioxide (SO2). This gas is toxic and can be severely irritating to the eyes and lungs. In the atmosphere sulfur dioxide combines with water vapour to produce sulfuric acid which is then removed through precipitation and it falls to earth as acid rain. There are presently methods available that are able to remove some of the sulfur from coal prior to burning but the process is expensive and only partially successful. Another alternative is burning low sulfur coal but more often than not this coal is lower quality coal and more of it must be burnt in order to get the same output of energy (Montgomery, 1990). It is also possible to remove the sulfur gases after the coal is burnt but before it is released to the atmosphere through the use of scrubbers but this is expensive and can increase the cost of using coal by up to 25 per cent (Alm, Curhan, 1984). Oil also contains sulfur but most of it is removed during the refining process and by the time it is burnt it only contains about 10 per cent of the sulfur that coal does. The burning of coal also produces a great deal of solid waste. Ash left over from burning coal can amount to five to twenty percent of the original volume. In the atmosphere it fouls the air and if it is captured by scrubbers it still must be safely disposed of in some manner. Coal ash is composed mostly of incombustible silicate materials but it also contains toxic metals and even trace amounts of uranium. If left exposed to the elements the fine ash weathers rapidly and the toxic metals leach out posing a pollution threat to ground and surface water. A single coal fired power plant can produce up to a million tonnes of solid waste per year, all of which must be safely disposed of or treated at great cost (Montgomery, 1990) Devco By the mid 1960's coal mining in Nova Scotia was in serious trouble. With cheap imported oil and an expanding network of oil and gas pipelines coal was becoming more expensive to use than its alternatives. In 1963 the federal government established the Cape Breton Development Corporation (Devco) to slowly wind down the industry and find alternative employment and development opportunities for those affected communities (Doern, Toner, 1985). By 1971 Devco had cut mining employment by half. With Devco now in charge and their agenda clear it looked like the end for the unprofitable coal mining industry. Then the Arab oil embargo of 1973 quadrupled oil prices and the interest in coal was rekindled around the world as every major oil importing country gave high priority to reducing their dependence on foreign oil. Output of coal by the industry increased slightly (see Fig. 4) but would never again be as great as it was during the first half of the century. The second oil price increase in 1976 rose oil prices by another 160 per cent and the price of Cape Breton coal rose from eight dollars per tonne in 1967 to 52 dollars per tonne by 1984. The company began to open new mines Lingan in 1974, Prince in 1976 and in 1987 it began developing a new 600 million-dollar mine at Donkin, predicted to be the largest underground mine in North America. The company was finding new export markets and had just received a 33-year contract to supply the Nova Scotia Power Corporation, which was scrambling to convert its generating plants to coal. The future once again looked bright for the industry as the Fig. 4 Graph showing the Nova Scotia coal output over the last century and a half. Notice the peaks during the first and second world wars and the increase during the 70's. Source: Statistics Canada. price of oil was 40 dollars (U.S.) per barrel and was predicted to be 100 dollars per barrel by the end of the century. The analysts were wrong however, by 1999 the price was more like 15 dollars and the oil industry once again was on its way out (Cameron, 1999). As mentioned before Devco was more of a regional development plan rather than a business, else the Nova Scotia coal industry would have folded a lot sooner than it had. Devco acted as a type of life support system for the Nova Scotian economy effectively serving as a wealth transfer system transfering money from the have provinces to have nots. As of 1995 Devco had managed to acquire 1.2 billion dollars in losses in just 27 years in operation (MacIsaac, 1995). Devco actually turned a profit every year from 1993 to 1997 but those profits were not enough to cover the companies non-operating costs such as pensions, workers compensation, long-term liabilities, and decommissioning of the mines. Finally in January of 1998 the federal government announced that it was privatizing Devco and quitting the coal industry it had supported since 1967. In 2000 Devco was down to one working coal mine which Ottawa planned to sell along with the rest of its coal assets by the end of the year. However there is no guarantee that a private company will emerge to take over operation of the Prince mine (Cameron, 1999). The collapse of any regions major industry will have a serious impact on the population. Regional net migration is affected by Push/Pull factors. Push factors are those that cause people to leave an area. In the case of Nova Scotia the major push factor is a lack of jobs available due to the collapse of the coal mining industry and the recent moratorium placed on the cod fishing industry. Things have gotten so bad that a 12 dollar an hour job in the west has been sufficient to convince some people to leave the province (Daily Commercial News, 2000). Pull factors are those that attract people to a particular region. Recently the trend is a general migration westward towards the booming economies of Ontario, and British Columbia (See Fig. 5). This creates a more favourable economic climate for both regions as one gets relief for it's social assistance programs and the other gets much needed labour. Province Total In-Migrants Total Out-Migrants Net Migration Newfoundland 4779 8603 -3824 P.E.I. 1438 1233 +205 Nova Scotia 8260 9340 -1080 New Brunswick 6484 7215 -731 Quebec 12295 19180 -6885 Ontario 41719 37660 +4059 Manitoba 13339 11267 +2072 Saskatchewan 11093 13309 -2216 Alberta 29412 29647 -235 British Columbia 37172 26510 +10662 Fig. 5 Interprovincial migration January-June 1995. Source: Western Report Nov. 27 1995. The Future of the Nova Scotia Coal Industry If the OPEC years have taught us anything its that our reliance on foreign oil can leave us vulnerable to fuel shortages. Shortages not only caused by embargoes, but since fossil fuels are a non-renewable resource, from just depleting the worlds finite supply. As seen in the seventies when the price of oil rose drastically, interest in coal mining was renewed and such will be the case again. Coal is the most abundant fossil fuel on the face of the earth (see Fig. 6) and its use was only discontinued because the other, less abundant, fuels were cheaper to transport. As our reserves of natural gas and oil deplete the law of supply and demand states their price will go up until such a time where coal once again becomes competitive in the industrial market. As well there are various technologies that exist in order to change the form of coal so it is more easily transported. Currently there are two processes; Gasification and Liquefaction. Coal gasification is a process for converting coal partially or completely to combustible gases. After purification, these gases - carbon monoxide, carbon dioxide, Fig. 6 Energy content of the world's initial supply of recoverable fossil fuels is given in units of 1015 thermal kilowatt-hours. Coal and lignite, for example, contain 55.9 x 1015 kilowatt hours of energy and represent 88.8 percent of the recoverable energy. Source: Siever, 1978. hydrogen, methane, and nitrogen - can be used as fuels or as raw materials for chemical or fertilizer manufacture. There are many techniques to accomplish this but all involve heating the coal with steam in the absence of air. Currently the heat from burning this gas amounts to only 15 to 30 per cent of what can be obtained with an equal volume of natural gas (Montgomery, 1990). Coal liquefaction is a process that involves first the manufacture of carbon dioxide and hydrogen gases from the coal. Heating these gases in the presence of a certain catalyst at high temperatures will cause them to be transformed into liquid hydrocarbons (petroleum). Currently these processes are uneconomical and only those countries, which have no domestic oil or gas reserves, have made them viable. Germany used this technique to produce synthetic diesel fuel during WWII and currently South Africa has a coal liquefaction plant in operation making gasoline and fuel oil (Miller, 1996). Summary In summary, the Nova Scotia coal mining industry is not dead, it is only on standby until such a time as it becomes economically viable. The same market forces and concepts that had given rise to it, and led to its demise will eventually revitalize it. Once the oil and gas reserves of the western provinces have been depleted Nova Scotia may become one of the have provinces supporting their failing industries. We may even see a shift in net-migration eastward. How far off into the future this will take place no one knows for sure, but the worlds hunger for fossil fuels is insatiable and it is only a matter of time. Bibliography Literature Cited Alm, Alvin L., and Curhan, Joan P., Coal Myths and Environmental Realities, Boulder, Colorado, Westview Press, 1984. Calder, J.H., Coal in Nova Scotia, Halifax, Nova Scotia, Nova Scotia Department of Mines and Energy, 1985. Cameron, Silver Donald, Last Call for Cape Breton Coal, Canadian Geographic, v.119, Nov/Dec 1999, 32-35. Daily Commercial News, Young People still top Cape Breton Export, v.70(43) March 3, 1997, p B5. Doern, Bruce G., and Toner, Glen, The Politics of Energy: The development and Implementation of the National Energy Policy, Totronto, Methuen Publications, 1985. Langton, John, Geographical Change and the Industrial Revolution, New York, Cambridge University Press, 1979. Lutgens, Frederick K, and Tarbuck, Edward J., The Earth: An Introduction to Physical Geology 4th ed., Toronto, Maxwell Macmillan, 1993. MacIsaac, Merle, Black Plague, Canadian Business, v.68 Issue 9, September 1995, p56. McDougall, John N., Fuels and the National Policy, Toronto, Butterworth & Co., 1982. Mellor, John, The Company Store, Toronto, Doubleday & Company Limited, 1983. Miller, G. Tyler, Living in the Environment 9th ed., Belmont, California, Wadsworth Publishing Company, 1996. Montgomery, Carla W., Physical Geology 2nd ed., Dubuque, Indiana, William C. Brown Publishers, 1990. Ryan, Judith Hoegg, Coal in Our Blood, Halifax, Formac Publishing Company Limited, 1992. |
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