In geology, a boulder is a rock fragment with size greater than 25.6 centimetres (10.1 in) in diameter. Smaller pieces are called cobbles and pebbles, depending on their "grain size". 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 or stones. 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 Russia, glacial erratics are common. Erratics are boulders picked up by the ice sheet during its advance, and deposited during its retreat. 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.
A boulder is a large rock.
Boulder may also refer to:
Boulder were an American rock band. The ensemble formed in 1992 in Ohio. Members of the group had previously played in hardcore punk bands and were heavily influenced by the New Wave of British Heavy Metal. Before releasing their debut album, The Rage of It All, they had toured in several clubs in Ohio. The group's bassist, Jamie Walters, would later play for Destructor and Midnight.
Heavy metal journalist, Ian Christe, described the group as followed:
Post or POST may refer to:
Post is the first solo album by Australian singer-songwriter rock musician, Paul Kelly. Kelly had moved to Sydney by January 1985, after leaving his Melbourne-based Paul Kelly Band and the breakup of his marriage to Hilary Brown.
The album was produced by Clive Shakespeare (Sherbet guitarist) and Kelly, and was released in May 1985 by the independent White Records label, leased to Mushroom Records. The album failed to chart in Australia, with only one single, "From St Kilda to Kings Cross", released in April which also failed to chart. The name of the album, Post relates to both being 'after' significant changes in Kelly's life and to the sense of a 'signpost' to future directions. Kelly dedicated the album to Paul Hewson, keyboardist and songwriter for New Zealand/Australian band Dragon who had died of a heroin overdose in January. Kelly has described Post as a concept album dealing with addictions - not necessarily heroin addiction - but various forms, he has also denied that the songs were autobiographical but that he wrote about the world around him.
Post is a fictional character and mutant in the Marvel Comics universe. His first appearance was in X-Men v2, #50.
Kevin Tremain was a mutant captured and studied by the Mandarin. On a secret mission, the Six Pack attacked the secret base Tremain was held in. Tremain was mortally injured; Cable tried to save his life, first by using his telekinesis to keep Tremain's body together, and finally by giving him a blood transfusion. Although it seems he survived this trauma, Cable seemed to think Tremain had later died.
Years later, Tremain resurfaced as Post, the lowest of Onslaught's emissaries. Onslaught forced Gateway to teleport Cyclops, Storm, Iceman, and Wolverine to where Post could "test" them. The four managed to defeat Post and were transported back to the Mansion. Later, Post attacked Cable, who instantly recognized his identity as Tremain. Post defeated Cable and left him for the Hulk to finish off. Post was later charged with ensuring the Sentinels would launch, he battled X-Factor with them and succeeded protecting the Sentinels. He and his master Onslaught were eventually defeated by the heroes.