Boulder vs Sorocaba

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In geology, a boulder is a rock fragment with size greater than 256 millimetres (10.1 in) in diameter. Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive. In common usage, a boulder is too large for a person to move. Smaller boulders are usually just called rocks (American English) or stones (In British English a rock is larger than a boulder). The word boulder is short for boulder stone, from Middle English bulderston or Swedish bullersten.In places covered by ice sheets during Ice Ages, such as Scandinavia, northern North America, and Siberia, glacial erratics are common. Erratics are boulders picked up by ice sheets during their advance, and deposited when they melt.

They are called "erratic" because they typically are of a different rock type than the bedrock on which they are deposited. One of them is used as the pedestal of the Bronze Horseman in Saint Petersburg, Russia. Some noted rock formations involve giant boulders exposed by erosion, such as the Devil's Marbles in Australia's Northern Territory, the Horeke basalts in New Zealand, where an entire valley contains only boulders, and The Baths on the island of Virgin Gorda in the British Virgin Islands. Boulder-sized clasts are found in some sedimentary rocks, such as coarse conglomerate and boulder clay. The climbing of large boulders is called bouldering.

Source: Wikipedia

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Sorocaba (Portuguese pronunciation: [so̞ɾo̞ˈkabɐ]) is a municipality in the state of São Paulo, Brazil. Sorocaba is the eighth-largest city in the state of São Paulo. Outside the Greater São Paulo region, it ranks behind only Campinas, São José dos Campos and Ribeirão Preto. It is part of the Metropolitan Region of Sorocaba. The population is 644,919 (2015 est.) in an area of 450.38 km2.Over the past twelve years the city has been undergoing extensive urbanization projects, improving streets and avenues, as well as infrastructure for the traffic which the city receives every day.

It is the eighth and fourth municipality in the consumer market in the state outside the Greater São Paulo metropolitan area, with a potential annual per capita consumption estimated at $2,400 for the urban population and $917 for rural areas (7200 people) and twenty-ninth-largest city in Brazil with potential for consumption. Still, it is the fourth-largest city of the state to receive new investments and one of the largest in the country, figuring in the list of 30 cities that create more jobs in Brazil.

Source: Wikipedia