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31. The feldspars in volcanic lava flows can also be problematic.

32. Half a million fossil bones of reptiles and birds have been found in the lava tubes scattered across the landscape.

33. As the lava reached the surface, much of the water escaped as hot vapor clouds.

34. The readings suggest Barnacle Bill is a form of lava called andesite, typically loaded with quartz.

35. Torrents of lava would not tumble out to force fire down his throat, torch his tongue.

36. This is where that small mound of lava on Bezymianny comes in.

37. Her great horsy face had turned the colour of molten lava and her eyes were glittering with fury.

38. She just wanted to be on her own so that the lava of tears could flow unchecked, melt it all away.

39. Meanwhile, powerful United States Army helicopters continued dropping massive concrete blocks to hinder the lava flow.

40. But where the lava erupted, whole communities have been vaporized.

41. Basalts are the dark lava rocks that fill mare basins.

42. BIn the far distance, the flames licked their way toward the beach like lava coming down the mountainsides.

43. The whole mountain chain originated from this cleft as lava surged up and spilled down on both sides.

44. Professor Brown had developed an expertise for predicting how much lava is stored in a volcano.

45. These depths consist of vast mountain ranges, deep canyons, mighty steaming lava flows.

46. When lava flows are erupted at the surface, they are necessarily rapidly chilled, and volcanic glasses are common.

47. In a few rare cases, lava flows on land have taken place just as the magnetic field was undergoing a reversal.

48. Unfortunately it is not easy - for obvious reasons - to study modern submarine lava flows in their proper environment.

49. Before the landing, geologists thought Mars' crust was relatively simple, made up mostly of ordinary basaltic lava rock.

50. As the lava flowed down the volcano it solidified, forming strange shapes.

51. Here you can travel a river longer than a thousand Amazons, or risk your life rafting on molten lava.

52. Where the ocean crust is young[sentencedict.com], lava flows dominate the landscape.

53. The town was buried under a river of molten lava.

54. A Plate Tectonic Re-cap Rather a lot has been said in this chapter about the minor details of lava flows.

55. The lamp, also called the lava lamp, was launched in 1963 but as fashions changed its popularity declined.

56. A main feeder lava tunnel often branches towards the terminus of a flow rather like the distributaries of a river delta.

57. Hot water poured out the tops of basalt pillars that normally stand as cold obelisks in the middle of drained-back lava ponds.

58. Since they were erupted so low down, it was not long before the rivers of lava were flowing through inhabited areas.

58. Sentencedict.com try its best to collect and build good sentences.

59. And I bet no man has ever appreciated the lava flow of sensuality so near your ice-perfect surface.

60. Above, where hot lava erupted from the crust to be chilled by cold sea-water are purple, bulbous pillow lavas.