Magma rises through the cracked, thinned crust,forming volcanoes. As the rift valley grows wider, the continent begins to split apart.If the rift valley continues to widen, the thinned valley floor sinkslower and lower until it is below sea level.he records are the same on either side of the ridge.As scientists continued to map the ocean floor, they found morerecords of these reversals. By dating the rock, scientists had furtherevidence of plate movement. The youngest rock records the mostrecent reversal, which happened only about 760,000 years ago.
David Lennox (April 15, 1855 â February 15, 1947) was an American inventor and businessman. A furnace manufacturing business he founded in 1895 in Marshalltown, Iowa evolved into what is today known as Lennox International, a global corporation specializing in air conditioning, heating, and commercial refrigeration.
Etymology & Historical Origin-Lennox. Lennox is the transferred use of a Scottish surname from the Old Gaelic âleamhanâ meaning âelm fieldâ. The surname was derived from a place name so-called âthe Lennoxâ which is a region of Scotland just north of Glasgow.Formerly a medieval kingdom of Scotland, the Earls of Lennox hailed from this territory. The Clan Lennox motto is âIâll Defendâ.The surname was first recorded as âde Lenoxâ near Glasgow in the 15th century. As previously mentioned, Lennox comes from a Scottish-Gaelic word meaning âelmâ. The Wych Elm is native to Scotland and is an imposing, dignified tree that provides ample shade.he Clan Lennox motto is âIâll Defendâ. The surname was first recorded as âde Lenoxâ near Glasgow in the 15th century. As previously mentioned, Lennox comes from a Scottish-Gaelic word meaning âelmâ. The Wych Elm is native to Scotland and is an imposing, dignified tree that provides ample shade.