User talk:Mgh972103/sandbox

Hi its eddy — Preceding unsigned comment added by Emercado11 (talk • contribs) 22:17, 5 April 2017 (UTC) hi

whats up guysMgh972103 (talk) 22:09, 5 April 2017 (UTC)

hey — Preceding unsigned comment added by Miramarble95 (talk • contribs) 22:10, 5 April 2017 (UTC)

Melissa's Citations

1. https://www.britannica.com/place/Baja-California-peninsula-Mexico From this article I will include the geography of Baja California in general so the people reading the article have a sense of the area where the volcanoes are locate. I will include that the peninsula is roughly 760 miles long and along this there are several different volcanoes. The article says that the last eruption for Las Tres Virgenes was in 1746. There can be some other geography information including the three different climate zones.

2. https://earthobservatory.nasa.gov/IOTD/view.php?id=36205 From this article it is said that the volcanoes from northeast to southwest get bigger and younger. It gives information about La Virgen volcano ( type of eruption, the flow). It also gives information about the eruption type of the Las tres Virgenes volcano.it consists of pyroclastic rocks. I can maybe then define pyroclastic rocks and the dangers that come along with them. From both articles I can discuss how some of Baja California's geography contributes to the volcanoes and where they lie. Mgh972103 (talk) 05:31, 17 April 2017 (UTC)

Tres Virgenes

First Draft Edits

The Tres Virgenes refers to three volcanoes that lie along the NE-SW and as they continue to go SW they are younger. La Virgen, having the highest peak as well as being the youngest among the three, has a large amount of dacite lava domes along with flanks that have a lava flow, thus causing it to be an andesitic stratovolcano. El Viejo, hence its name, is the oldest lowest peak The Tres Virgenes has a tectonic setting of rift zones that are more than 25 km deep within the continental crust. There are stratovolcanoes, lava domes, and pyroclastic cones, from these volcano types forms several rock types but some major ones are andesite, basaltic andesite, and dacite rocks. Dacitic lava domes and flows are composed inside El Viejo and El Azufre.

Unlike other volcanoes in Baja California, the Tres Virgenes are known for some of the largest stratovolcanoes, meaning that they have layers of erupting products that continue to pile up. While it has the largest, the last time the volcano was active was in 1746 with a possible eruption in 1857. The evidence for the 1746 eruption came from a Spanish Priest, who at the time was on a navigation in the Gulf of California. He reported there being an ash plume from the effusive eruption, and while no tephra deposits have been discovered, there is evidence of andesitic lava flow that could have came from the 1746 eruption.

Considering La Virgen is the youngest volcano, it has had a complex long list of volcanic eruptions. Is has had a history of pumice eruptions, explosive eruptions consisting of pyroclastic flows, dacitic and andesitic lava flows.

Miller, Cheryl. "TRES VIRGENES." Baja Realty and Investments. N.p., June 2012. Web. 23 Apr. 2017.

Tres Virgenes." Global Volcanism Program. Global Volcanism Program, n.d. Web. 23 Apr. 2017.

Tres Virgenes Volcano." Volcano Discovery. N.p., n.d. Web. 23 Apr. 2017. Mgh972103 (talk) 03:53, 24 April 2017 (UTC)

Mira's Citations

Tres Virgenes. (n.d.). Retrieved April 17, 2017, from https://volcano.si.edu/volcano.cfm?vn=341010 From this website, I would use the photographs of the volcanoes being discussed on this Wikipedia page, as well as other information about them such as eruption history and latest volcanic reports.

Vacations, C. S. (n.d.). Baja California Sur Geographical Summary. Retrieved April 17, 2017, from http://www.cabosanlucas.net/fast_facts/geographical_summary.php From this website, I would use information about the geography of Baja California. I will list all the different parts of the geography, such as the physical features, the climate, rivers, plants and wildlife, and protected natural areas.

A Tourism website is not a reputable source. HydrogeologyProf (talk) 00:53, 25 April 2017 (UTC)

Miramarble95 (talk) 05:51, 17 April 2017 (UTC)

1st Draft Edit GEOGRAPHY

Physical features Baja California is a peninsula in Mexico, bordering the Pacific Ocean and the Gulf of Mexico. It is made up primarily of mountains, and some coastal plains. The mountain ranges in Baja California, connected to the Pacific Coast Ranges, extend from the north-eastern to the south-western part of the peninsula. Out of the 24 named ranges, the Sierra de Juárez and the Sierra San Pedro Mártir, the highest range in Baja California, are the two most significant. The slopes of the ranges vary depending on location; the slopes on the western side are gentler than those on the east. Coastal plains are mostly found in the south-west regions on the peninsula. In the center of Baja California, volcanic activity is found mostly near the San Ignacio area.

Rivers The majority of the rivers and streams in Baja California, such as San Benito, San Miguel and Raymundo, lead back to the Pacific Ocean. The San Ignacio River, however, which is the longest river in the peninsula, leads to the Ballenas Bay.

Climate In general, Baja California’s climate is hot, dry, and mainly desert. The north and the south receive much more rain than the central regions, which only occasionally receive a small amount of rain in the summer while staying mostly dry. As for the coasts of the peninsula, temperatures on the west are very different than those of the east. Due to the cold water coming from the north with the California Current, the west coast is much cooler than the east and south, which stay rather warm in the winter time as well.

Miramarble95 (talk) 03:46, 19 April 2017 (UTC)

Dayas Citations

1.http://plate-tectonic.narod.ru/volcanoam13bphotoalbum.html From this article I will use the facts on the kind of volcanoes that there are in east-central baja california and some history relating to each of the volcano and the geography of where the volcano is at. There is information on the kind of volcano there is, the kind of lava flow, landscape etc.

2.https://volcano.si.edu/volcano.cfm?vn=341010 From this article I will use the specific facts about the volcano relating the the area where it is, the kind of volcano, eruption history, etc. This link will also provide me with different facts relating to the article which will help the reader understand more the geography involving it and the general information that is involved. Samanta1997 (talk) 19:39, 17 April 2017 (UTC)

La Reforma Caldera

La reforma Caldera is a volcano that is on the east-central Baja california. It is about 10km in diameter and at about an elevation of 4264 ft. In the east-central Baja california there are several volcanoes and this one lies east of the Tres Vírgenes volcano and SE of El Aguajito. There are several things that distinguishes the differences between these volcanos and one of the things are the type of volcano it is and the kind of rocks it contains. La reforma is a caldera volcano meaning that it is one of the volcanoes that form in a way where it collapses into an empty magma chamber forming something that looks like a crater. A caldera volcano is one of the most dangerous for the fact that the eruptions are huge of about 100-1000km^3 of material. La reformas last huge explosive was recorded about 10,000 years ago. It has been recorded that La reformas eruptions have consisted of ash and pumice falls, pumice flows, and pantellerite tuffs.

1. Volcanoes in Mexico. Baja California. N.p., n.d. Web. 24 Apr. 2017. 2. "Plio-pleistocene Volcano-tectonic Evolution of La Reforma Caldera, Baja California, Mexico." Plio-pleistocene Volcano-tectonic Evolution of La Reforma Caldera, Baja California, Mexico - ScienceDirect. Elsevier B.V., n.d. Web. 24 Apr. 2017. 3."La Reforma." Global Volcanism Program | La Reforma. Smithsonian Institution, 2013. Web. 24 Apr. 2017. Samanta1997 (talk) 19:06, 24 April 2017 (UTC)