"History is the version of past events that people have decided to agree upon." ~ Napoléon Bonaparte
Welcome to the 149th Daily Field Note! Here you find the top post of the day, one covering each scientific field that is included by Geopolis. Since these authors put a lot of effort in writing a good post they surely deserve the extra exposure.
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Geology: Geology of Iceland - Part 7: Eruption styles
Original post by 
Just like other volcanoes, Icelandic volcanoes can display two types of eruption styles. These are effusive or explosive. Volcanoes can feature exclusively one eruption style or exhibit a mixture of both. An eruption is labelled as purely effusive, if >95% of the erupted volume is comprised of lava. Analogous, an eruption is labelled explosive, if the DRE-volume (Dense rock equivalent) of pyroclastic material (tephra) is >95%. Anything in between is described as a mixed eruption. Although the eruptions on Iceland are mainly made of basalt, the variety in eruption styles surpasses any other place on earth. It spans the complete spectrum from effusive to explosive eruptions, ranging in size from small outflows up to flood lava magnitudes and spanning almost the entire intensity scale.
Ecology: Study of the excess use of agro-chemicals in consumer products
Original post by 
Hola Hello steemit friends, today I want to tell you about something I know a little since I made a thesis that touched on the subject in a certain way, and it is the use of chemical, agro-chemical or synthetic products in the plantations of vegetables, fruits and any Consumable product. It turns out that nowadays the use of chemical substances is of vital importance in the production of food and the generation of quality products, as well as being a way to ensure that the loss of them decreases due to the protection that these products provide. in this case to the vegetable or product. However the excessive use and in large quantities without pre-establis...
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