Composed mainly of basaltic alkaline intrusive rocks, this volcano was the result of a major geological upheaval in the tertiary era which were responsible for various volcanic cones in the rocky state of Rio Grande do Norte.
12.
"Laurus nobilis " and " Ilex aquifolium " are widespread relicts of the laurisilva forests that originally covered much of the Mediterranean Basin when the climate of the region was more humid during the tertiary era.
13.
Ivy is a relict plant and one of the survivors of the laurel forest ( laurisilva ) flora in Europe that originally covered much of the Mediterranean Basin when the climate of the region was more humid in the Tertiary era.
14.
He later served as director of the Bernardino Rivadavia Natural Sciences Museum, in Buenos Aires, and in 1906 published " Sedimentary Formations of the Cretaceous and Tertiary Eras in Patagonia ", a work of synthesis is not limited to descriptions, but it raises hypotheses about the evolution of various mammals and analyzes the different layers of the crust and their possible ages.
15.
The arboretum proper is planted on a set of 17 cairns throughout the entire park, organized as a " gallery of evolution " which begins at the water, then proceeds as follows : 1 origins ( " Ginkgo Biloba " ), 2 living fossils ( " Cryptomeria japonica ", " Cunninghamia lanceolata ", " Metasequoia ", " Sequoiadendron ", " Taxodium distichum " ), 3-6 dinosaurs and gymnosperms, 7-10 the Tertiary era of mammals and angiosperms, 11-17 mankind and landscaping, culminating in the " Jardins Chromatiques " ( garden of colors ).