Cueva de los Portales: un sitio arcaico del norte de Michoacán, México

Faugère, Brigitte

doi:10.4000/books.cemca.1079

Cited by 8 publications

(4 citation statements)

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“…The oldest human remains found so far in north-central Michoacan date back to 5200 B.C. at Cueva de los Portales (Faugère 2006), and, more recently, remains dated at ∼12,000 B.C. were reported from Cueva de los Hacheros (Punzo-Díaz and Martínez-Vázquez 2018, 2021) at the southern limit of the MGVF (Figure 2).…”

Section: Volcanic Impact On Human Occupation Of the Western Zacapu Basinmentioning

confidence: 99%

“…The name Malpaís de Zacapu (malpaís means "badland" in Spanish, while tzacapu means "stony place" in Purepecha) refers to the lava flow surfaces made of rock fragments mostly devoid of soil, which are unsuitable for agriculture. One particularity of the Malpaís de Zacapu is that its volcanic structures are geologically very young (Mahgoub et al 2018;Reyes-Guzmán et al 2018) and these badlands were inhabited by pre-Hispanic populations during the Milpillas phase (A.D. 1200-1450; Arnauld and Faugère-Kalfon 1998; Dorison 2019;Faugère 2006;Michelet 1993;Michelet et al 1989;Migeon 2016;Pereira et al 2021;Forest 2023). The Malpaís de Zacapu is defined as a spatiotemporal monogenetic cluster because it is formed by four monogenetic volcanoes that erupted in a restrained area (<40 km 2 ; Figure 4) and over a relatively short period of time (less than 2,500 years; Reyes-Guzmán et al 2018).…”

Section: El Malpaís De Zacapu Eruptive Sequencementioning

confidence: 99%

“…These relatively young ages imply that they were almost certainly witnessed by human populations (Figure 8). According to Faugère (2006), the first human occupation archaeologically recorded near the Zacapu basin dates back to 5000-2000 B.C., near the Lerma river valley to the north. Around 2000 B.C., shortly before the Las Vigas (Infiernillo) eruption, the Zacapu basin also became sparsely populated (Figure 8).…”

Section: El Malpaís De Zacapu Eruptive Sequencementioning

confidence: 99%

“…Recent studies (Mahgoub et al 2018;Reyes-Guzmán et al 2018 have elucidated the age and dynamics of the eruptions, as well as the rheological characteristics of the different lava flows of the Malpaís de Zacapu and their emplacement durations. Here we present a summary of their findings and relate them to the archaeological record to better constrain the periods of occupancy and lifestyle adaptations of the people who lived on the lava surfaces and their surroundings (Arnauld and Faugère-Kalfon 1998;Arnauld et al 1993;Dorison 2019;Faugère 2006;Michelet 1993; Michelet et al Volcanic Field (outlined in red), showing lakes (in blue; ZiL = Zirahuén Lake, PL = Patzcuaro Lake), the Zacapu lacustrine basin (ZLB, in green), the main Holocene volcanoes mentioned in this study (red triangles, black font), major faults (black lines), principal cities (black polygons and italic black font), and archaeological sites (pyramid symbols and red font). The yellow quadrangle indicates the western Zacapu lacustrine basin area presented in Figure 4.…”

Section: Introductionmentioning

confidence: 99%

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Holocene volcanic eruptions of the Malpaís de Zacapu and its pre-Hispanic settlement history

et al. 2023

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The Michoacán-Guanajuato volcanic field (MGVF) hosts >1,400 monogenetic structures younger than 5 Ma. Here we focus on the Malpaís de Zacapu Late Holocene cluster located in the western part of the Zacapu lacustrine basin, situated in the heart of native Purepecha province. The Malpaís de Zacapu comprises four distinct eruptions: the Infiernillo lava flow emitted at ~1450 b.c.; Malpaís Las Víboras, a purely effusive eruption at ~1000 b.c.; the Capaxtiro compound lava flow at ~150 b.c.; and the most recent eruption, the Malpaís Prieto lava flow at ~a.d. 900. Although these lava flows are not inhabited today, they were densely populated in pre-Hispanic times (before a.d. 1521), especially during the Milpillas phase (a.d. 1200–1450). Volcanological studies (geochemical studies and detailed mapping using high-resolution DEM from LiDAR) allowed us to characterize these eruptions in terms of their magma source (rock chemical composition, mineral assemblage), age (radiocarbon and paleomagnetic dating), magnitude and dynamics (volume, morphology of the deposits), as well as lava flow emplacement duration. The findings allow us to infer the potential impact that these eruptions had on the pre-Hispanic settlement history of the area.

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Section: Volcanic Impact On Human Occupation Of the Western Zacapu Basinmentioning

confidence: 99%

Section: El Malpaís De Zacapu Eruptive Sequencementioning

confidence: 99%

Section: El Malpaís De Zacapu Eruptive Sequencementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Holocene volcanic eruptions of the Malpaís de Zacapu and its pre-Hispanic settlement history

et al. 2023

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The ~ AD 500–700 (Late Classic) El Astillero and El Pedregal volcanoes (Michoacán, Mexico): a new monogenetic cluster in the making?

et al. 2019

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Late Holocene Malpaís de Zacapu (Michoacán, Mexico) andesitic lava flows: rheology and eruption properties based on LiDAR image

et al. 2021

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Few monogenetic eruptions that produced lava flows have occurred in historical times, limiting the observations of their impact on human settlements. However, rheological models based on morphological and petrological datasets can contribute to decipher the eruptive dynamics and durations of ancient eruptions. The Malpaís de Zacapu, a temporal-spatial monogenetic volcano cluster at the western margin of the Zacapu lacustrine basin (Michoacán, Mexico), offers a good opportunity to apply such models because of the availability of a high-resolution LiDAR topography from which detailed morphological data was extracted. The Malpaís de Zacapu comprises late Holocene lava flow fields emplaced in the last 3200 years by four different low magnitude volcanic eruptions: Infiernillo, Malpaís Las Víboras, Capaxtiro, and Malpaís Prieto. Jointly these eruptions produced thick andesitic block lava flows covering an area of 38.3 km 2 with a volume of ~ 4.4 km 3 . The lava viscosities at eruption vents were estimated from petro-textural analyses and range between 10 3 and 10 6 Pa s, while the final flow apparent viscosities, obtained from dimensional analyses, vary from 10 8 to 10 10 Pa s. We estimated the mean effusion rate and lava flow emplacement duration for each flow field. Results revealed that the more viscous flows, Malpaís Las Víboras and Malpaís Prieto, could have been emplaced in less than 3 years, while the more fluid Infiernillo probably took less than 1 year. In stark contrast, the morphologically different and more voluminous Capaxtiro flow field could have been emplaced in ~ 27 years. These findings can help to evaluate the impact that these eruptions had on adjacent pre-Hispanic populations, known to have inhabited the region since at least 3000 years ago.

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Cueva de los Portales: un sitio arcaico del norte de Michoacán, México

Cited by 8 publications

References 0 publications

Holocene volcanic eruptions of the Malpaís de Zacapu and its pre-Hispanic settlement history

Holocene volcanic eruptions of the Malpaís de Zacapu and its pre-Hispanic settlement history

The ~ AD 500–700 (Late Classic) El Astillero and El Pedregal volcanoes (Michoacán, Mexico): a new monogenetic cluster in the making?

Late Holocene Malpaís de Zacapu (Michoacán, Mexico) andesitic lava flows: rheology and eruption properties based on LiDAR image

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