Encyclopedia > Timeline of geography, paleontology

Article Content

Timeline of geography, paleontology

Timeline of geography, paleontology

25 - Pomponius Mela formalizes the climatic zone system
1569 - Gerardus Mercator issues the first Mercator projection map
1620 - Francis Bacon analyzes the scientific method in his Great Instauration of Learning
1686 - Edmund Halley presents a systematic study of the trade winds and monsoons and identifies solar heating as the cause of atmospheric motions
1686 - Edmund Halley establishes the relationship between barometric pressure and height above sea level
1716 - Edmund Halley suggests that aurorae are caused by "magnetic effluvia" moving along the Earth's magnetic field lines
1822 - Gideon Mantell[?] discovers the fossilized skeleton of an iguanodon dinosaur
1869 - Joseph Lockyer[?] starts the scientific journal Nature
1909 - Discovery of the Burgess Shale Cambrian fossil site
1920 - Andrew Douglass proposes dendrochronology dating
1920 - Milutin Milankovich[?] proposes that long term climatic cycles may be due to changes in the eccentricity of the Earth's orbit and changes in the Earth's obliquity
1947 - Willard Libby introduces carbon-14 dating
1949 - Edward Murphy states his law
1974 - Donald Johanson and Tom Gray discover a 3.5 million-year-old female hominid fossil that is 40% complete and name it "Lucy"
1980 - Luis Alvarez, Walter Alvarez, Frank Asaro, and Helen Michel propose that a giant comet or asteroid may have struck the Earth approximately 65 million years ago thereby causing massive extinctions and enriching the iridium in the K-T layer
1984 - Hou Xianguang discovers the Chengjiang Cambrian fossil site

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!